Pov valve (shanghai) Co.Ltd.after many years of field experience,R&D and design of products to meet the stringent  requirements of today's industrial processing fluid,by creating the best quality provide personalized service product     value,and the principle of on time delivery,we gained good reputation.we pay attention to the customer's demand at all times.we deeply understand the customer's concern about the operation safety of products.You can contact us at any   time by any way.