Hangzhou Grand Wealth Technology Co., Ltd. is a professional engaged in the design, development, manufacture, sale of various mechanical seals business since establishment in 2002.We are supplier of wide range of mechanical seals, include Single spring type, multi-spring type, Teflon type, wave spring type, metal bellow type and cartridges, etc. Our seals are interchangeable with Burgmann, Johncrane, Flowserve, AESSEAL, Chesterton, Vulcan, Roten, etc.Our main products of seals are Grundfos Pump seal, Cartridge seals, Flygt pump seals, O-ring seal, Ceramic seal, mechanical pump seals, Stainless steel seal and Elastomer seals and so on. They are applicable to all kinds of mechanical pump seals, single and multi-spring mechanical seals.GW-TECH has strong R&D technology and advanced manufacture equipment, to make sure production and testing are well-equipped with high-quality staff. We provide advanced products for global market. Pre-sale and after sale service have always taken a dominant position, our sale engineers can assist customers to solve problems with excellent professional knowledge and enthusiastic attitude.