Certifications & Patents

At MSDA, we build our chairs on strict quality control and continuous design innovation. Our products are ISO-certified and SGS-tested to BIFMA X5.1, EN 1335, and QB/T 2280-2016 standards, with multiple design patents protecting our original lineup. For you, that means consistent quality across bulk orders, smoother market access, and fewer after-sales costs.

ISO Management System Certifications

We hold ISO 9001, ISO 14001, and ISO 45001 management system certifications, covering the design, production, and sales of office chairs. These internationally recognized standards support our operations across quality control, environmental management, and occupational health and safety-ensuring a consistent and responsible approach to everything we do.

 ISO 9001 Quality Management System

 ISO 14001 Environmental Management System

 ISO 45001 Occupational Health & Safety Management System

International Product Testing-SGS Certified

BIFMA X5.1- North American Office Chair Standard

Multiple models have passed ANSI/BIFMA X5.1-2017 (R2022) tests conducted by SGS. Key tested items:

BIFMA compliance is widely accepted in the US, Canada and Middle East, reducing your re-testing costs and speeding up product listing.

EN 1335-European Office Chair Standard

Multiple models have passed EN 1335-1:2020 (dimensions) and EN 1335-2:2018 (safety requirements) tested by SGS. Confirms ergonomic dimensions, structural safety and rounded-edge design, granting smooth access to EU and UK markets.

National Standard Compliance

(GB/T 2280-2016)

Core models are tested and compliant with Chinese national furniture safety standards. Full test reports are available for domestic project bidding, supermarket shelf entry and client quality audits.

Design Patents

We hold multiple design patents granted by CNIPA (China National Intellectual Property Administration), protecting original chair frames, seat pans and backrest structures. Below is a selection of our recent patents.

Patented designs mean differentiated products for your catalog and lower IP risk when selling in regulated markets. The Spi chair, co-designed with Italian designer Dorigo Fiorenzo, brings European aesthetics to our product line.