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  • Investment Casting and Sand Casting

    Investment Casting and Sand Casting

    Sand casting is one of the oldest manufacturing processes, dating back thousands of years, in which molten metal is poured into an expendable ceramic mold. The mold is formed by using a wax pattern – a disposable piece in the shape of the desired part. The pattern is surrounded, or “invested”, in...
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  • Co-win move to new factory on July

    Co-win move to new factory on July

    Our new factory to share with you ,we buy it  and move to new factory on July. And we buy another eight new CNC machine. Now we have 40 sets CNC machine total. Co-win grow and expand gradually. I believe we will become your reliable supplier for stainless steel fittings and ball valves in the ne...
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  • Success of Shanghai FLOWTECH Fair

    Success of Shanghai FLOWTECH Fair

    As a manufacturer, we produce valves and threaded fittings more than 10 year. Hope we can supply our main products as following to you: 1.stainless steel valves(1PC/2PC/3PC ball valve, 3 way ball valve,Y strainer…) 2.ISO4144 & Light type threaded fittings (coupling,welding nipple,elbow...
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  • The grand military parade will held on Oct to celebrating our country founding 70 years

    The grand military parade will held on Oct to celebrating our country founding 70 years

    This year 2019 is the 70th anniversary of the founding of our country. Our country will hold a grand military parade on Oct.1st.In order to protect air quality, the government will restrict production strictly and even restrict the entry of vehicles into Beijing on Sep.and Oct.Our city is very ne...
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  • What is Stainless Steel Casting?

    What is Stainless Steel Casting?

    Stainless steel casting also called stainless steel investment casting or wax casting refers to the formation of ceramics around a wax pattern to form a shell for casting stainless steel. Once wax patterns are created, they are melted into the gate system, immersed in slurry and sand to form a l...
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  • The exhibitions we will attend in 2019

    The exhibitions we will attend in 2019

    We will attend the following exhibtion, welcome to visit our booth! 1.Flowtech China(Shanghai), June 3rd to 5th at Shanghai,China,Booth No.:6.2H542 2.Korea Metal Week 2019,June 19th to 21st at KINTEX Center1/Hall2&3,Booth No.:2E160 June 19th-21st 3.Stainless Steel World 2019,Nov.26th to 28...
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  • The introduction for industrial 2PC ball valve

    The introduction for industrial 2PC ball valve

    The raw material of 2PC ball valve is Stainless Steel 316 or 304,the 2pc ball valve produced  by lost wax casting and CNC machine. The structure of  ball valve, make up by one piece valve body and 1 piece end cap. It has a plastic-covered lever handle for on/off manual control. For the inner str...
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  • The new program for 150LB screwed fittngs

    The new program for 150LB screwed fittngs

    Recently we make new set of moulds for 150LB screwed fittings. We perfect the design and reduce the cost reasonable under guaranteeing the quality and pressure. It’s mean that we could quote more competitive price to help you get more profit in your market. If you have any inquiry welcome send u...
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  • Welcome to visit our booth on FLOWTECH CHINA (ShangHai) in Jun.3-5,2019

    Welcome to visit our booth on FLOWTECH CHINA (ShangHai) in Jun.3-5,2019

    Welcome to visit our booth on FLOWTECH CHINA (ShangHai) in Jun.3-5,2019Our factory have found 10 years, have 170 workers and 30 sets of CNC lathe, production ability 100tons per month.And we have get ISO9000 and CE certification. Our main products as below: -Stainless steel screw fittings (ISO4...
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  • RVS wereldtentoonstelling van Nov.26-28th 2019 in Nederland

    RVS wereldtentoonstelling van Nov.26-28th 2019 in Nederland

    We will attend the stainless steel world exhibition form Nov.26-28th 2019 in Netherlands. Our booth NO. is H52-16. Sincerely hope can meet you and have a happily talk in the Fair. Fair Name:stainless steel world Time:Nov.26-28th 2019 Booth No.:H52-16 ...
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  • Brew & Beverage Manufacturing Technology Exhibition Jun.14-16th 2016

    Brew & Beverage Manufacturing Technology Exhibition Jun.14-16th 2016

    We attend Shanghai International Brew & Beverage Manufacturing Technology And Equipment Exhibition on June 14-16 2016. As a manufacturer, we design and produce many kinds of parts which used in Homebrewing. Please contact with me if you are interest in Home Brew Busi...
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  • September Trade Fair in Shanghai

    September Trade Fair in Shanghai

    Shanghai International Brew & Beverage Manufacturing Technology And Equipment Exhibition 2017 2017.27-29 we will attend Shanghai International Brew & Beverage Manufacturing Technology And Equipment Exhibition. Our booth number is 128, welcome to our booth!
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