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Founded more than 20 years ago as a small workshop specialised in Cylinder boring bar.THL has gradually become a leader in the field of designing, developing and manufacturing first class tooling and equipment for the professional engine reconditioner. THL's manufacturing facility located in Shanghai,China is a symbol of our continued commitment to its worldwide customers. Now our product line include cylinder boring bar, Cylinder boring machine, valve seat&guide machine, cylinder surpface grinder, crankshaft grinder.Whether you have a custom one-man machine shop, a diesel jobber shop or a high-volume production remanufacturing facility, THL has the right machine to suite your needs. THL have produced and sold more than 10'000 various equipments and machines to the worldwide engine rebuilding industry. Our mission: produce machine same quality as Europe but sell with Chinese price.



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