Shanghai Hengmao Petroleum Equipment Co., LTD. is a professional international corporation with business line of manufacturing and marketing drilling rig packages components. that also has its own production base. market covers North America, South America Middle-East Asia, Russian, ...

Our company is specialized in the production of corrugated metal bellows. core team has nearly 30 years' experience bellow design and production. Our craftsmanship take leading position industry. We have passed ISO9001:2008 certification. With all specifications molds materials ...