Sharpen Tech Co., Ltd. (SPT) is a very large machinery company which has very long history in China; we are mainly offering a wide range of hi-tech machinery spare parts to global customers engaged in the agriculture, manufacturing, mining industry, automobile industry, meat machining, fabrication and welding etc.; our main technology includes investment casting foundry, resind sand casting, water glass processing, lost wax casting, surface polishing, surface coating etc; the main material of our products are mainly carbo steel, stainless steel, iron, alloy, aluminum etc. these years we have established long-term stable business relationship with a lot of customers all over the world; our company pay very special attention to product quality and service to customer; in recent years, we have enlarged our production line, and we are convinced that we will attract more customers cooperating wih us in future.