Integrated Modern Task Chair Frame

Backrest

Integrated Modern Task Chair Frame with Ergonomic Lumbar Support

The Model L118 Integrated Backrest Frame by SingOFai Furniture is a streamlined, high-efficiency component designed for manufacturers of contemporary task and visitor seating. This model features a unified structural design that seamlessly merges the backrest with fixed ergonomic armrests, optimizing assembly workflows while ensuring a robust, stable chair architecture.

Engineered with high-grade injection-molded polymers, the L118 includes an integrated horizontal-ribbed lumbar support system that provides targeted lower-back comfort. With a total height of 742mm and a 630mm outer width, its clean, minimalist profile is ideally suited for modern office environments. This component offers global B2B clients a durable, aesthetically versatile solution that balances industrial-strength performance with a lightweight, breathable design.

A rear view of a modern ergonomic office chair highlighting the SingOFai Furniture backrest component in matte black. The backrest features a high-tension mesh for breathability and a distinct Y-shaped structural spine that supports a horizontally ribbed lumbar panel. The chair is fully assembled with an adjustable headrest, sleek armrests, and a black five-star base, positioned on a light wooden floor against a warm, sunlit wall with artistic shadows.
An office chair equiped with L118 backrest
An office chair equiped with L118 backrest with headrest
A technical dimension drawing of a white SingOFai Furniture ergonomic backrest component with integrated armrests, shown in profile and front views. The side view indicates a total height of **742mm**, a backrest height of **616mm**, and armrest dimensions of **332mm** in length and **343mm** in height. The front view shows a top frame width of **502mm** and a total base width of **630mm**. The design features a smooth, continuous frame with a vertically slatted lumbar support section.