Weld neck flanges are visually different from other flange types by their long tapered hub and smooth transition of thickness up to where the butt weld joins to a pipe or a fitting.
Shanghai HD company is a professional and outstanding manufacturer in Shanghai, China with nearly 20 years’ experience. We manufacture many kinds of pneumatic clutches, such as friction disc clutch, multi-disc friction clutch and pneumatic tooth clutch.
Aluminum Aerosol Cans are used for cosmetics, hair care products and perfumes.Aluminum aerosol cans which are used to be filled with perfu...