O-Tech ( Shanghai ) Inc. is a company dealing with various automotive and construction machinery spare parts. We have joint ventures with factories that specialize in manufacturing engine, brake and suspension parts for heavy duty trucks, tractors and construction machinery. The various products of O-Tech including bushings, brake shoe & repair kits, king pin kits, brake chamber, camshaft, engine bearing and U-joint etc are supplied to both OE and after market. We are committed to offering the finest quality and the most competitive prices.