Quality to start with, Honesty as base, Sincere company and mutual profit is our idea, as a way to build constantly and pursue the excellence for well drilling head 7 7/8″, drill bit oil and gas, coal mining tricone bit, ASTM A126 GLOBE VALVE,ASTM A126 GATE VALVE. At our firm with quality first as our motto, we manufacture products that are entirely made in Japan, from materials procurement to processing. This enables them to be used with confident peace of mind. The product will supply to all over the world, such as Europe, America, Australia,Botswana, Peru,Comoros, Philippines.With strong technical strength and advanced production equipment, and SMS people purposefully , professional, dedicated spirit of enterprise. Enterprises took the lead through the ISO 9001:2008 international quality management system certification, CE certification EU ; CCC.SGS.CQC other related product certification. We look forward to reactivating our company connection.