... introduction:Wudi Kefeng Stainless Steel Products Co., Ltd. specializes in stainless steel lost wax precision investment castings, and the ... Tailor-designed machining is also available. Our products are made in accordance with API, ANSI, DIN, BS, and JIS standards ... hardness tester and universal testing machine.We have sold to buyers in countries such as the USA, Canada, Germany, Italy, Spain ...