Company Profile

Longkou tongli auto parts co., LTD., located in longkou city, shandong province, has fixed assets of 80 million yuan. Founded in 1995, our products cover automobile parts and interior decoration, hardware, home appliances, mold processing and other related fields. The company covers an area of 120,000 square meters, 60,000 square meters of modern standard workshop. The company has more than 310 sets of processing equipment and 450 employees. Company is a joint venture with New Zealand in 2005, the introduction and innovation of the steel production and processing technology of chromium plating thin wall cylinder liner of choose and buy equipment mainly has Japan MAZAK machining center, Taiwan big Joe precision CNC machine tools, TL - 55 thin wall cylinder liner chrome plating line, automatic river double feed honing machine, etc., and is equipped with advanced special detecting instruments, mainly include: CA60H cylinder liner roundness tester, Germany omar M2 roughness tester, HVS - 1000 digital micro vickers hardness tester, universal tensile testing machine and era TT260 cladding thickness gauge, etc. The first phase of the project has an annual output of 500,000 steel thin-walled cylinder liners, which can provide suitable models for all kinds of engines using thin-walled chrome-plated cylinder liners. At present, the company mainly has 4JB1, 4JA1, 4BD1, 6BG1, 4JH1, 6112ZQ, C240, C190 and other series of products. Thin chromium plating hardness of cylinder liner inner hole chromium layer more than HV800, will scatter of cylinder liner inner hole shape sponge shape chromium layer special processing into a excellent platform honing oil storage performance reticulate structure, make the chrome plated cylinder liner series of products has reached the European Ⅱ, Europe Ⅲ quality standards, product abrasion resistance guarantee in more than 300000 kilometers. At the beginning of 2006, the cylinder liner passed the quality inspection and appraisal of Shanghai internal combustion engine research institute. The company actively adopts advanced international quality management system, and has passed the qs-9000 quality system certification and TS/16949 international quality system certification issued by CNAB, AQA and TS/16949.