Chang Longsheng Mach, & Elec. Technology Co., LTD.-Shenzhen, Was established in 2000, the headquarters is located in 2F, 8 Building, Nanshui Industrial Area, Westside Yanshan Road, Shekou Nanshan District Shenzhen.China. building area more than 1200 square meters, the existing staff of 120people, which more than 20 R&D employees and 10 senior industrial engineers. We have prefect industrial process in the Manufacturing and High-caliber employee. the developers of more than twenty, senior technician five, high skills technicians more than 10, with exquisite processing technology, high quality production staff.

Has produced5.8 million kinds of outside heating type heating coil, heat ring, high-temperature heating cycle; 280, 000 kinds of electronic temperature controller (ETS); 120000 pcs all kinds of adjustable potentiometers, precision lines around the lap, multi-turn potentiometer; more than 55, 000 sets of all kinds of bucket rack, bottle storage shelf, bottled water rack; and according to customer's specific needs, the first time to develop proofing.