Guangdong Hengjie Door Technology Co., Ltd., founded in 1989, is located in the core economic circle of eastern Guangdong, Jieyang city. Covering an area of 20000 square meters. After more than 30 years of intelligent manufacturing in the door industry, a comprehensive enterprise specializing in the research, development, manufacturing, and sales of industrial sectional doors, sectional garage doors, Australian style roller shutter doors, hanging doors, steel entrance doors, accessories, motors, and other products has been formed. It is a supplier of integrated solutions for automatic door products with advanced technology and leading technology in China!

Shijiazhuang Hongji Hardware Co., Ltd. Was founded in 2002, has 150 emploes, is a professional production of high-grade bed box lift, gas spring enterprises

Nanjing Huajin Magnet Co., Ltd. is a professional manufacturer specializing in the R & D and manufacture of the permanent magnet. We invest in high quality magnet production line with the vacuum sintering stove which helps to improve the uniformity of magnetic properties and corrosion resistance of sintered ND-Fe-B magnets. Our production line also contains centerless grinding machines, ultrasonic punch and linear cutting machine all of which make us capable of machining very special shapes of magnet, and providing high precision applied in aircraft and automobile industry. Our magnets have passed the SGS RoHS and MSDS test. Our magnets are widely used in toys, packing, speaker, motor, meter and medical care. With the advantage of senior magnetic assembly engineers, experienced staff and comprehensive machining equipment, we can produce high quality magnetic filter, magnetic clamp, magnetic chuck, magnetic attractor and other magnetic products catering to our customers' different requirements.