Shanghai Dejie Instrument Equipment Co., Ltd. (Shanghai Dengjie Machinery Equipment Co., Ltd., Shanghai Dejie Xiaofeng Instrument Equipment Co., Ltd., Shanghai De Yao Instrument Equipment Co., Ltd.) is a professional manufacturer of rubber testing instruments. Its predecessor, Shanghai Chemical Machinery Plant No. 4 (a specialized factory for producing rubber testing instruments), has years of experience in the development, design, and manufacturing of rubber instruments.

Our products have received widespread acclaim from users both domestically and internationally. Particularly, the转子-free rubber vulcanization tester has integrated various features.Sulphur AnalyzerOur product has been developed with advantages and references to outstanding overseas machinery, featuring an upgraded heating system for longevity. Its accuracy is comparable to imported products, enabling excellent measurement of rubber vulcanization characteristics. The computerized Mooney viscosity meter is one of the first manufacturers in the country.

Established in 1965, we have grown into a specialized factory for rubber testing instruments by 1977, with over 10,000 customers to date. Our clients include numerous prestigious universities (such as Jiaotong University, Fudan University, Tongji University, East China University of Science and Technology, Donghua University, Northeastern University, Qingdao University of Science and Technology, Qingdao University, Chongqing University, Southwest Jiaotong University, Shanghai University, Beijing Institute of Technology, and Beijing University of Chemical Technology), as well as domestic and international enterprises and institutions [like General Electric (China), GE Toshiba Silicones, Liodo Corporation (Dow Corning), NOK Sealing Products Co., Ltd., Bridgestone (Shenyang) Co., Ltd., Goodyear (Qingdao) Rubber Engineering Co., Ltd., Dunlop Mining Equipment (Shanghai) Co., Ltd., China Rubber Industry Association Testing Center, Shanghai Research Institute of Building Science and Technology, Chinese Academy of Railway Sciences, National Cable Quality Supervision and Inspection Center, Shanghai Nanyang Cable Co., Ltd., and Shanghai Nanyang Electro-Material Co., Ltd.]. Our products are also exported to countries and regions such as Thailand, Malaysia, Syria, UAE, Chile, Japan, and Australia.