Founded in 1997, LONGJI INDUSTRIAL (HK) LIMITED is a professional enterprise specializing in the design, production & assembly of damper & latch and the process of precision plastic electronic fittings with registered capital of HKD 3million, independent workshop of 3000 sqm, 260 employees and a group of senior technicians & managers.
Our main manufacturing equipments contain 20 injection molding machines, 5 automatic oiling assembly machines, 2 oil injecting production lines, 2 laser carving machines, 5 high power ultrasonic drilling machines, 3 lathes, 4 milling machines, 4 grinding machines, 3 EDM machines and 1 machining center. Our main inspection equipments contain three-D coordinatograph, projector, adjustment force testing frame, height master, etc. .
We have got ISO9001 & ISO14001Quality Environmental Management System Certificate and executed them strictly. We keep improving the quality of product at the same time of absorbing advanced technical experiences at home & aboard. We have already taken the lead in the industry. The damper, with special prescription of silicone oil, can maintain its functions under-20oC to 70oC and satisfy ROHS demand in environmental protection. With excellent quality & superior after-service, the product has won favorable reputations in the industry.