LONGKOU TONGLI AUTO PARTS CO. LTD. - China

Located in Longkou City, Shandong Province, Longkou Tongli Auto Parts Co., Ltd. owns fixed assets of over USD10,000,000. Our company was established in 1995 and the products cover the related fields such as auto parts and internal decorations, hardware, electrical appliances and mould processing. The company covers an area of 120,000 square meters with 60,000 square meters of standard modernized factory buildings. Now there are over 310 sets of various kinds of machining equipment and a total of 450 employees. After the company established a joint venture with New Zealand in 2005, the production technology of thin wall chrome plated steel cylinder liners has been introduced and innovated. The purchased equipment mainly are MAZAK machining center from Japan, precision NC machine tools from  

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Taiwan Daqiao, TL-55 automatic chrome plating production lines for thin wall cylinder liners, double-feed automatic honing machine from Dahe and the advanced special inspection instruments are equipped such as MA62012 precision liner roundness gauge from Japan, CA60H liner roundness gauge, Mahr M2 roughness gauge from Germany, HVS-1000 LCD micro Vickers hardness gauge, universal tension tester and Times TT260 coating thickness measuring gauge. The annual production capacity of 500,000 thin wall steel liners can be reached for the first stage of the project, which can be supplied for various kinds of engines using thin wall chrome plated liners. At present there are a series of models such as 4JB1, 4JA1, 4BD1, 6BG1, 4JH1, 6112ZQ, C240, C190. The hardness of the chrome coating for thin wall chrome plated liners can reach over HV800. The chrome coating of sponge structure is specially processed into platform honing channel structure containing excellent oil retention, which enables the chrome plated liners to reach quality standards of EURO II and EURO III and the wear resistance reach over 300,000 kilometers. At the beginning of 2006 the liner passed the quality test by Shanghai Internal Combustion Research Center. According to the standards of QS9000 and TS/16949, we have the efficient management and professional operation to guarantee the quality of all the products. We sincerely hope to cooperate with customers from all over the world.