Shanghai Ruihong Testing Technology Co., Ltd. is mainly engaged in the design, production and verification services of various environmental testing instruments. The company introduces international testing technology and cooperates with East China National Testing Center, Shanghai University and Korea National Institute of Standardization to jointly develop and produce a series of environmental testing instruments. The product performance has reached a higher level of international similar products, and some high-tech products are ********. At the same time, through cooperation with Shanghai Institute of Measurement and Testing Technology, the company also provides testing and calibration services for various measuring instruments. The company has a strong technical force. The production and R&D personnel have participated in the drafting of the national standard Dust Particle Counter Performance Test Method, and are the chief writer of the drafting unit. It is one of the few domestic industry leaders with cooperation and R&D background with international related groups and companies. At the same time, the company has carried out extensive international cooperation, and now cooperates with Korea Hyundai Group Correction Technology Co., Ltd. in terms of products and technology, committed to continuously improving the technical level of products and exploring the international market.