About Us

About Us


● Energy Products ● Ensured Quality ● Efficient Service

3E Industry Engineering Corp Ltd(Zhejiang Sanyi Valves Co.,Ltd.) is a leading one-shop industrial valves manufacturer and supplier in China which founded in 2003,3E means energy products,ensured quality, efficient service. We integrate R&D, manufacture, resource integration and trade service into one. For these years, we have been committed to finding solutions for our customers and providing professional service in respect of both general and specialized valves.

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We have four well-managed centers: marketing center, supply chain management center, manufacturing center and integration center. Each performs its own duties in different aspects but serves as four powerful engines, driving 3E ahead in the same direction — offer better products and service to our clients.

Our business scope are involving Manufacturing, Design and moulding, Valve stocking,labling and packing, Valve actuation, repairing and reconditioning, On site support etc….

Our mainly products are including general valves of ball valves(size: 0.5” to 56”, pressure:150Lb to 2500Lb), gate valves(size: 0.5” to 60”, pressure:150Lb to 2500Lb), globe valve(size: 0.5” to 24”, pressure: 150Lb to 4500Lb), check valves(size: 0.5” to 60”, pressure: 150Lb to 2500Lb), plug valves(size: 0.5” to 36”,pressure:150Lb to 2500Lb),butterfly valves(size: 2” to 48”,pressure:150Lb to 900Lb),strainers(size: 2” to 36”,pressure:150Lb to 900Lb)and fittings as well as supply for customized products., All materials are manufactured to strictly specifications and industry standards, which include ANSI, API, BS, DIN, JIS, GB and JB. 3E engineering is broadly applied in the areas of power generation, chemical and petrochemical, oil and gas, metallurgy, ship-building, medicine, and environmental protection industries.support by a strong tech team and skilled sales team,our products are well exported to USA, Mexico, Italy, Brazil, South Africa and Middle East etc…….. which satisfy our customers with high quality and good service.

We think more than cusomters. During our business march, we have established very good relationship with customers,. We always fight for making value-added to our customers, We consider customer's needs and interests as our own, To improve quality and services all the time is our goal, We can offer reasonable prices and payments terms and fast delivery, Iook forward to working with more customers worldwide to create value together.