We are specialized in manufacture of cylinder head (both in iron cast & Al cast) in China including GM 6.5L head, LD23, TD27, 3CT and 4JG2 head, cylinder block (including GM 6.5L block), crankshaft (including GM 6.5L crankshaft), camshaft, connecting rod, oil pump and exhaust manifold, slack adjuster, S camshaft, air brake chamber etc. For more information, please contact us(cqqinyu@online.cq.cn).