Onye Mmepụta Valvụ Emechiri Emechi nke Bellows

Ụlọ ọrụ mmepụta ihe na-eduga na China nke Bellows Sealed Gate Valves na Globe Valves. Onye nrụpụta na onye na-ebubata ihe a pụrụ ịtụkwasị obi na-enye ọnụ ahịa asọmpi na imewe siri ike.