

Silla de oficina ergonómica de malla 777 con soporte lumbar 4D
Quick answer: Model 777 is an ergonomic mesh office chair for B2B buyers who need a clear 4-direction lumbar support story, 2D headrest comfort, flip-up armrests, and practical 504 pcs/40HQ loading. It fits distributors, importers, corporate office programs, coworking spaces, and project buyers that need more function than a basic budget task chair.
For sourcing, check lumbar movement, headrest fit, armrest alignment, mesh tension, seat support, gas lift movement, PP base balance, PU caster rolling, carton protection, and sample-to-bulk consistency. Compare the Categoría de sillas de oficina al por mayor, Silla de oficina de malla económica 777-2, y Silla de oficina ergonómica de malla 999 antes de confirmar las muestras.
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Ergonomic Office Chair Supplier – Designed for B2B office chair sourcing and project supply. -
4D Lumbar Support – 4-direction lumbar adjustment supports different sitting needs. -
2D Headrest and Flip-Up Arms – Practical comfort features for office users. -
Wholesale Loading Data – MOQ 100 pcs, 504 pcs/40HQ loading.
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Ideal para: 777 fits office furniture distributors, project buyers, importers, corporate offices, coworking spaces, manager rooms, and mid-level ergonomic office chair programs.
Notas sobre la decisión del comprador: Choose this model when your market needs visible lumbar adjustment, 2D headrest comfort, flip-up armrest function, and better ergonomic positioning without moving into a heavier premium chair. Compare Silla de oficina de malla 779 for 3D armrest positioning, Silla de oficina de malla con respaldo alto 998-B for a taller back profile, and 777-2 for higher loading efficiency.
Especificaciones básicas de la silla de oficina 777
| Modelo | 777 | Tipo de producto | Silla de oficina ergonómica de malla |
| Tejido | Malla | Marco | Plástico del respaldo y el asiento |
| Reposabrazos | Reposabrazos abatibles | Lumbar | Apoyo lumbar ajustable en 4 direcciones |
| Reposacabezas | 2D Adjustable Headrest | Mecanismo | 17 Mariposa |
| Elevador de gas | 3# 100 mm | Base | 330 A# PP Base |
| Ruedas | Ruedas de PU A# | Tamaño del embalaje | 64 x 30 x 60,5 cm |
| Cantidad mínima de pedido | 100 unidades | Carga de un contenedor 40HQ | 504 unidades |
777 Features – 4D Lumbar Support, Flip-Up Arms, 2D Headrest
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4D Lumbar Support – 4-direction lumbar adjustment gives distributors a clear ergonomic selling point. -
Practical Headrest and Armrests – 2D adjustable headrest and flip-up armrests support daily office use. -
Reliable Mid-Level Configuration – 17 butterfly mechanism, 3# gas lift, PP base, and PU castors provide a balanced structure. -
Wholesale Order Planning – MOQ 100 pcs and 504 pcs/40HQ help importers plan purchasing and freight cost. -
Office Chair Supplier Support – Hengyao supports OEM options, carton design, branding, and B2B supply.

Certificados, pruebas y registros de compradores
For model 777 bulk orders, buyers can review sample approval notes, appearance checks, lumbar and headrest function, armrest fitting, gas lift movement, mechanism stability, packing photos, labels, spare parts, and shipment documentation. Third-party testing can be arranged for qualified orders according to buyer requirements.

Model 777 Buyer Evidence
777 Bulk Order Reliability Checks
Model 777 buyers can review factory testing videos and request project-specific inspection records before mass production. For ergonomic office chairs, the key risks are lumbar adjustment failure, loose mechanism movement, unstable base fitting, and sample-to-bulk inconsistency.
Load & Structure CheckFrame, base, gas lift, mechanism, and key load-bearing parts can be checked before shipment to reduce bulk-order failure risk.
Function Durability CheckRecline movement, height adjustment, armrest fitting, caster rolling, and assembly points are reviewed for repeated commercial use.
Third-Party Testing SupportFor qualified bulk orders, third-party testing can be arranged according to buyer requirements, including BIFMA, EN, SGS, or other applicable standards.
Material & Structure Check
Review real factory testing context for chair material comparison, structure control, and bulk-order reliability before sample approval.
Function & Equipment Check
Use factory test clips to discuss mechanism movement, adjustment parts, and daily-use risks with the Hengyao Chair team.
Inspection Evidence for Buyers
Ask for recent production, testing, packing, and loading records for similar chair orders before confirming mass production.
Get 777 Test & Packing Records
Send your chair category, model number, target quantity, and destination market. We can share relevant production, testing, packing, and loading records for similar orders.
B2B Buyer Decision
777 Office Chair Bulk Order Fit
Model 777 is best for buyers who need an ergonomic mesh office chair with a clear lumbar-support story, practical wholesale pricing, and enough comfort features for corporate offices, coworking spaces, manager rooms, and distributor catalogs.
Office Chair Category
Quality Issues Checklist
Request 777 Quote
Best-Fit Buyers
Office furniture distributors, project buyers, importers, corporate furniture programs, coworking suppliers, and online sellers needing a mid-to-high ergonomic mesh chair SKU.
What Makes It Different
777 should be sold around 4D lumbar support, breathable mesh, headrest support, flip-up armrests, 504 pcs / 40HQ loading, and sample-to-bulk consistency checks.
Before Sample Approval
Check lumbar movement, mesh tension, seat support, armrest fixing, gas lift movement, mechanism stability, caster rolling, screw matching, and assembly instructions.
Before Shipment
Confirm carton strength, inner protection, labels, spare parts, destination-market documents, packing photos, and whether third-party testing is needed for your order.
Durability CheckReview repeated adjustment points, seat support, frame fitting, and component stability before mass production.
Safety CheckGas lift, base, caster, mechanism, screw and assembly parts should be checked against the approved sample and buyer requirement.
Stability CheckBulk orders should keep consistent sitting feel, mesh tension, carton protection, labels and spare parts from batch to batch.
Buyer note: send model 777, quantity, destination market, target price level, color or logo request, and packing requirement. Hengyao Chair can discuss product specs, sample checks, packing details, and third-party testing arrangements for qualified bulk orders. Compare with Silla de oficina de malla 779 o Silla de oficina ergonómica de malla 999 if your market needs a different function position.
Por qué los compradores mayoristas eligen el Modelo 777
Model 777 is useful when buyers need a mesh office chair with a visible ergonomic selling point. The value is not only the 4-direction lumbar support, 2D headrest, flip-up arms, and breathable mesh. The real B2B question is whether these adjustable parts feel stable after repeated daily use.
Before sample approval, check lumbar movement, mesh rebound, headrest fitting, armrest screw matching, gas lift movement, PP base balance, PU caster rolling, manual clarity, and carton protection. Buyers can compare Silla de oficina de malla 779, Silla de oficina 998-A con malla de espuma moldeada, Silla de oficina de malla con respaldo alto 998-B, y Silla de oficina ergonómica de malla 999.
Años de experiencia en el sector
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Equipos totalmente automáticos
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personal de fábrica
0
Ingeniero de desarrollo de muestras
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Personal de control de calidad
0
Plazo de entrega de las muestras
0
Establecer puntos de control de soporte
0
Plazos de entrega de los pedidos
30-
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Capacidad diaria de producción de sillas
0
ventas anuales
0
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Hengyao – Wholesale Office Chair Production Process

1. Corte de tubos
Metal tubes are prepared for the office chair frame and structural parts according to the confirmed sample and production drawing.

2. Perforación
Connection holes are processed for screws, armrest parts, mechanism fitting, and other assembly points that affect final chair stability.

3. Corte de tubos
Edges and burrs are removed so frame parts fit more cleanly during welding, assembly, and final inspection.

4. Soldadura
Las piezas del bastidor se sueldan siguiendo la estructura de la silla, lo que contribuye a mantener la estabilidad de las zonas clave que soportan la carga antes del tratamiento superficial.

5. Pulido
Welded areas are polished to remove rough points and prepare the frame for coating and later assembly.

6. Limpieza de superficies
The frame surface is cleaned before coating so the finish is more stable and easier to inspect.

7. Recubrimiento en polvo
A protective coating is applied to the metal frame surface to improve appearance and basic surface protection.

8. Comprobación final
Se comprueba el marco recubierto en cuanto al acabado superficial, los defectos visibles, la uniformidad del color y su preparación para el montaje.

9. Control de calidad
Appearance, function, mechanism movement, armrest fitting, gas lift movement, and packing details are checked against the approved sample.

10. Embalaje para la exportación
Las sillas de oficina se embalan con cajas de cartón, materiales de protección, kits de herrajes, etiquetas e instrucciones, según los requisitos del pedido.

11. Preparación de la carga
Las cajas de sillas de oficina terminadas se almacenan y se preparan para su envío una vez que se ha revisado el embalaje y se ha confirmado la documentación del pedido.
Fabricante de productos totalmente personalizados
Aprovisionamiento – toma de muestras – producción – control de calidad – embalaje para la exportación – asistencia en la entrega para programas de sillas de oficina B2B.
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How to Choose Model 777 for Ergonomic Mesh Office Chair Bulk Orders
Model 777 should be evaluated as a mid-level ergonomic mesh office chair for distributors and project buyers. It is stronger than a basic budget task chair because it adds 4-direction lumbar support, 2D headrest comfort, flip-up armrests, and 504 pcs/40HQ loading.
Before confirming a bulk order, check lumbar adjustment range, headrest height, mesh tension, seat support, armrest stability, 17 butterfly mechanism movement, 3# 100mm gas lift movement, PP base balance, PU caster rolling, carton protection, and sample-to-bulk consistency.

Check 4-Direction Lumbar Movement and User Fit
The main reason to choose 777 is the 4-direction adjustable lumbar support. Buyers should check whether the lumbar part moves smoothly, holds position after adjustment, and supports different user heights without creating a hard pressure point.
This matters for corporate offices, coworking spaces, training rooms, and distributor catalogs where end users compare comfort quickly. A sample that feels good for one person may still fail if the lumbar range is too limited for the target market.
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Check 2D Headrest, Flip-Up Arms, and Daily Office Function
Reliable choice: stable 4D lumbar, 2D headrest, and flip-up armrests
For ergonomic office chair orders, complaints often come from loose headrests, uneven armrests, weak lumbar movement, or adjustment parts that feel different from the sample. Ask for close-up function checks, sample notes, and pre-shipment videos before mass production.
Avoid pitfalls: weak lumbar hold, loose arms, unclear manuals, or poor packing
Do not judge 777 only by product photos. Check lumbar movement, 2D headrest fit, flip-up armrest alignment, 17 butterfly mechanism movement, gas lift travel, PP base balance, PU caster rolling, screw matching, carton marks, and spare parts before shipment.
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Check Mesh Tension, Seat Support, and Long-Hour Comfort
777 uses a 2D adjustable headrest, flip-up armrests, 17 butterfly mechanism, 3# 100mm gas lift, 330 A# PP base, and A# PU castors. Buyers should check these parts as one office seating system, not as separate feature names on a catalog page.
Ask for close-up sample photos or short videos showing armrest movement, headrest adjustment, gas lift travel, mechanism movement, caster rolling, screw matching, and final assembly points. This reduces the risk of loose parts or inconsistent user feedback after delivery.
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Check 504 pcs/40HQ Loading, Carton Size, and Manual Clarity
For B2B pricing, confirm the 64 x 30 x 60.5 cm packing size, 504 pcs/40HQ loading, carton strength, hardware kit, spare parts, labels, assembly manual, and inspection records before final quotation.
Para la comparación de modelos, véase Silla de oficina de malla económica 777-2 en el caso de los programas en los que el coste es un factor determinante, Silla de oficina de malla 779 for 3D flip-up armrest positioning, Silla de oficina 998-A con malla de espuma moldeada, Silla de oficina de malla con respaldo alto 998-B, Silla de oficina ergonómica de malla 999, Silla de oficina reclinable de malla 999-1, Silla de oficina compacta de tela 703, y el categoría de sillas de oficina.
Ask for 777 Ergonomic Office Chair Advice

Aclara tus dudas y resuelve tus dificultades

¿Te preocupan los problemas de liquidez relacionados con la compra de sillas al por mayor?
Una vez que nos convirtamos en socios a largo plazo, el plazo de pago será de 90 días y el saldo se abonará en el puerto. Ofrecemos una opción de pago a 90 días tras una evaluación financiera, lo que le ayudará a gestionar su flujo de caja de forma eficiente y a aliviar la presión financiera.
¿Te preocupa perder clientes por problemas de calidad?
Defined QC checkpoints, sample confirmation, and documented packing requirements help buyers reduce bulk-order risk. Hengyao Chair supports material checks, function checks, carton review, and shipment communication before delivery.
Do You Need Clear Loading Data for Mid-Level Mesh Chairs?
777 includes a 504 pcs/40HQ loading reference. Buyers can compare packing size, freight cost, landed cost, and mixed-model order planning before confirming an ergonomic mesh office chair program.
Cómo cuidar tu silla de oficina
Sigue esta guía de mantenimiento para mantener la silla de oficina ergonómica de malla 777 limpia, estable y en condiciones óptimas para su uso diario en la oficina, en el puesto de trabajo, en la sala de dirección y en espacios de coworking.
Limpieza periódica
Limpia la superficie de malla o tela con un paño suave o un limpiador adecuado para tejidos, y evita los productos químicos agresivos. En el caso de uso en oficinas comerciales, comprueba periódicamente el pistón de gas, los tornillos, los reposabrazos, las ruedas y la unión de la base para garantizar la estabilidad de la silla de oficina durante su uso diario.
Revisa periódicamente los tornillos de fijación
Over time, the screws might loosen. So, let’s check if they are loose.
Evita la luz solar directa
Prolonged direct sunlight may fade mesh or fabric surfaces. For showrooms or project sites, keep chairs away from long direct sunlight where possible.
El uso adecuado de la silla de oficina
Utiliza la silla únicamente para el trabajo de oficina habitual en posición sentada. No te subas a la silla, no te sientes en los reposabrazos, no saltes sobre el asiento, no sobrecargues el mecanismo ni utilices la silla como escalera.
Mantenimiento de la función de elevación y rotación
Every month, apply a small amount of silicone-based lubricant (do not use engine oil) at the rotating shaft and the pedal ring to ensure smooth operation.
Avoid frequent violent lifting and lowering, and single-point heavy pressure to prevent damage to the air pressure rods.
Metal (forja / acero inoxidable / galvanizado)
Dry off the water stains. In damp environments, apply a thin layer of anti-rust oil / sewing oil regularly.
Remove rust: For small rust spots, soak them in oil and then wipe them off. For severe rust, seek professional treatment.
Un socio de confianza para sillas de oficina
Hengyao Chair ofrece sillas de oficina directamente de fábrica y soluciones de asientos a medida para importadores, distribuidores, marcas de mobiliario de oficina, contratistas de proyectos, minoristas y compradores de espacios de trabajo comerciales. 
David Thomas
Filipinas
For B2B buyers, assembly instructions should be checked before shipment. Ask for a clear manual, hardware-kit list, carton label sample, and spare-parts plan before confirming bulk office chair orders. 
Isabella Jackson
Australia
Before shipment, confirm the commercial invoice, packing list, carton marks, loading photos, and destination-market document requirements. Clear document responsibility helps buyers avoid customs and receiving delays. 
Michael Kingston
España
Proveedor fiable de sillas de oficina al por mayor
Preguntas frecuentes
Here are common questions buyers ask before ordering model 777 office chairs in bulk. Related comparison paths: categoría de sillas de oficina, Silla de oficina de malla económica 777-2, Silla de oficina de malla 779, Silla de oficina 998-A con malla de espuma moldeada, Silla de oficina de malla con respaldo alto 998-B, Silla de oficina ergonómica de malla 999, y Silla de oficina compacta de tela 703.
¿Cuál es el principal punto fuerte del modelo 777?
The main selling point is 4-direction adjustable lumbar support, supported by 2D headrest comfort, flip-up armrests, 17 butterfly mechanism, 3# 100mm gas lift, PP base, PU castors, and 504 pcs/40HQ loading reference.
¿Cuál es la capacidad del 40HQ?
Model 777 supports 504 pcs per 40HQ container under the current packing plan, based on a 64 x 30 x 60.5 cm packing size. Buyers should confirm carton strength, hardware kits, labels, and loading plan before shipment.
¿Quién debería adquirir el modelo 777?
Es ideal para distribuidores de mobiliario de oficina, compradores para proyectos, importadores y proveedores mayoristas de sillas de oficina.
¿Dónde se puede utilizar el 777?
Model 777 fits corporate offices, manager rooms, coworking spaces, training rooms, office furniture distributor programs, and B2B project seating orders that need a clear ergonomic support story.
¿Qué materiales se utilizan para fabricar el 777?
Model 777 uses mesh fabric, back + seat plastic frame, flip-up armrests, 4-direction adjustable lumbar support, 2D adjustable headrest, 17 butterfly mechanism, 3# 100mm gas lift, 330 A# PP base, A# PU castors, 64 x 30 x 60.5 cm packing size, and 504 pcs/40HQ loading reference.
¿Por qué elegir a Hengyao como proveedor mayorista de sillas de oficina?
Hengyao Chair is a China office chair supplier focused on ergonomic mesh office chairs, sample confirmation, OEM/ODM discussion, packing review, and export-ready seating supply.
¿Qué condiciones de pago y envío se aplican?
For 777 orders, buyers can discuss target quantity, sample confirmation, lumbar support requirements, packing details, carton labels, shipment documents, FOB Shanghai or Ningbo options, and spare-parts support before bulk production.
The main selling point is 4-direction adjustable lumbar support, supported by 2D headrest comfort, flip-up armrests, 17 butterfly mechanism, 3# 100mm gas lift, PP base, PU castors, and 504 pcs/40HQ loading reference.Model 777 supports 504 pcs per 40HQ container under the current packing plan, based on a 64 x 30 x 60.5 cm packing size. Buyers should confirm carton strength, hardware kits, labels, and loading plan before shipment.It is suitable for office furniture distributors, project buyers, importers, and wholesale office chair suppliers.Model 777 fits corporate offices, manager rooms, coworking spaces, training rooms, office furniture distributor programs, and B2B project seating orders that need a clear ergonomic support story.Model 777 uses mesh fabric, back + seat plastic frame, flip-up armrests, 4-direction adjustable lumbar support, 2D adjustable headrest, 17 butterfly mechanism, 3# 100mm gas lift, 330 A# PP base, A# PU castors, 64 x 30 x 60.5 cm packing size, and 504 pcs/40HQ loading reference.Hengyao Chair is a China office chair supplier focused on ergonomic mesh office chairs, sample confirmation, OEM/ODM discussion, packing review, and export-ready seating supply.For 777 orders, buyers can discuss target quantity, sample confirmation, lumbar support requirements, packing details, carton labels, shipment documents, FOB Shanghai or Ningbo options, and spare-parts support before bulk production.
Páginas relacionadas con el abastecimiento para compradores B2B
Antes de comparar muestras o confirmar un pedido al por mayor, consulta estas páginas relacionadas con las sillas Hengyao para conocer la categoría más amplia de sillas de oficina, las preguntas de los compradores, el contexto del proyecto y el proceso de solicitud de presupuesto.