COMPANY PROFILE
At Wenzhou Danduoduo Fluid Equipment Co., Ltd, our journey began with a dreamer, our founder. Since childhood, He dreamt of building a company that would deliver the highest quality stainless steel tube products and exceptional service to customers. His dream was fueled by a singular purpose: to empower our customers to succeed.
Our mission at Wenzhou Danduoduo Fluid Equipment Co., Ltd is clear—to provide customers with stable quality, ample inventory, timely aftersales support, and competitive pricing. We understand that our customers’ success hinges not just on their orders, but on our partnership in helping them shine brightly in their markets.
Our brand story isn’t just about our products; it’s about our spirit. We put our customers at the heart of everything we do, striving to be their solid support on the road to success. Anchored by stable quality, abundant inventory, and attentive aftersales service, we grow alongside our customers, navigating the market together.
Our success isn’t measured solely by the number of orders we fulfill, but by how we help our customers’ brands sparkle. Our customers trust us because they believe that partnering with Wenzhou Danduoduo Fluid Equipment Co., Ltd means more than just purchasing products—it means finding a reliable ally, a brand that brings them success.
So, when you choose our products, you’re not just choosing high-quality stainless steel tubes; you’re choosing a symbol of trust, quality, and success. Our brand story is your story because we believe that your success is our true success.
Wenzhou Danduoduo Fluid Equipment Co., Ltd—your expert in stainless steel tubes, committed to creating success hand in hand with you.
OUR HISTORY
Wenzhou Danduoduo Fluid Equipment Co., Ltd established in 2012 in Wenzhou City to fulfill the gaps between the Western and Eastern cultures. We started goal business from 2015 due to high demands of our customers who entrust us as the agency for purchasing. With its growing manufacturing capacity and annual sales, we have become a well-known manufacturer in stainless steel industry.
HIGHLIGHTS
We attached great importance to our products which was sold to customers. All of them must be clean and tidy with packaging. It will be highlight on each order from our customers, which enables them to get better service and products for the money they paid. We guarantee that the replacement must be made within (30) days if our goods have quality issue. Our hotline will wait for you with 24hours.
PRODUCT APPLICATION
For Condenser, Filtration System,Food, Pharmaceutical, Semi-Conductor,Biological,Beverage, Cosmetic Industries.
OUR HISTORY
Wenzhou Danduoduo Fluid Equipment Co., Ltd established in 2012 in Wenzhou City to fulfill the gaps between the Western and Eastern cultures. We started goal business from 2015 due to high demands of our customers who entrust us as the agency for purchasing. With its growing manufacturing capacity and annual sales, we have become a well-known manufacturer in stainless steel industry.
HIGHLIGHTS
We attached great importance to our products which was sold to customers. All of them must be clean and tidy with packaging. It will be highlight on each order from our customers, which enables them to get better service and products for the money they paid. We guarantee that the replacement must be made within (30) days if our goods have quality issue. Our hotline will wait for you with 24hours.
PRODUCT APPLICATION
For Condenser, Filtration System,Food, Pharmaceutical, Semi-Conductor,Biological,Beverage, Cosmetic Industries.
OUR PRODUCT
Precision tubing can be used for sanitary, pharmaceutical,vacuum on purposes.Now it is also widely used in heat exchangers, condensers, ice makers…etc
Material: ASTM 304, 304L, 316L,904L…Spec: ASTM A269, A270,A213 Surface & Roughness:
1. OD/ID Pickle (Ra 1.0 m) 2. Polished:
(1) ID Polished to 180Grit (Ra 0.8 m).
(2) ID Polished to 240Grit (Ra 0.6 m).
(3) ID Polished to 320Grit (Ra 0.5 m).
(4) ID Polished to 420Grit (Ra 0.4 m).
(5) Electro polished:
(5-1). ID Electro polished Ra 0.5 m).
(5-2). ID Electro polished Ra 0.38 m). Ra 0.5 m).
Sanitary ball valves can be used for sanitary, pharmaceutical,vacuum on purposes.
Materials
Steel parts:Stainless steel SS316(L) SS304
Seal rings:EPDM Rubber or Silicone /Viton (FKM)
Connections
DN25~104,1/2″~6.0″
The valve is available with welding ends for tubing according to 3A, SMS, DIN etc.
Technical data
Required different pressure for opening the valve fitted in a vertical pipe, the open pressure Max. product pressure:1000kpa(10bar)
Material grades
Gasket-Body:EPDM/Silicone/Viton(FKM)/NBR/PTFE
Flow Area-EPDM/Silicone /Viton (FKM)
Tube fittings can be used for sanitary, pharmaceutical,vacuum on purposes.
It can be equipped with different types or connection ends, as 450/900 elbow, tee,concentric/ eccentric reducer..weld, clamp,unions.….Standard type: 3A, SMS, DIN, BS,BPE…etc.
Material: ASTM 304, 316, 316L
Surface:
1) ID/OD polishing .
2) Only ID polishing.
3) Only OD polishing
4) unpolished.
Roughness: #400, #320, #240, #180…. Ra 0.8m, 0.6 m, 0.5 m, 0.4 m… (Other surface
finished can be ordered).
OUR PRODUCT
Precision tubing can be used for sanitary, pharmaceutical,vacuum on purposes.Now it is also widely used in heat exchangers, condensers, ice makers…etc
Material: ASTM 304, 304L, 316L,904L…Spec: ASTM A269, A270,A213 Surface & Roughness:
1. OD/ID Pickle (Ra 1.0 m) 2. Polished:
(1) ID Polished to 180Grit (Ra 0.8 m).
(2) ID Polished to 240Grit (Ra 0.6 m).
(3) ID Polished to 320Grit (Ra 0.5 m).
(4) ID Polished to 420Grit (Ra 0.4 m).
(5) Electro polished:
(5-1). ID Electro polished Ra 0.5 m).
(5-2). ID Electro polished Ra 0.38 m). Ra 0.5 m).
Sanitary ball valves can be used for sanitary, pharmaceutical,vacuum on purposes.
Materials
Steel parts:Stainless steel SS316(L) SS304
Seal rings:EPDM Rubber or Silicone /Viton (FKM)
Connections
DN25~104,1/2″~6.0″
The valve is available with welding ends for tubing according to 3A, SMS, DIN etc.
Technical data
Required different pressure for opening the valve fitted in a vertical pipe, the open pressure Max. product pressure:1000kpa(10bar)
Material grades
Gasket-Body:EPDM/Silicone/Viton(FKM)/NBR/PTFE
Flow Area-EPDM/Silicone /Viton (FKM)
Tube fittings can be used for sanitary, pharmaceutical,vacuum on purposes.
It can be equipped with different types or connection ends, as 450/900 elbow, tee,concentric/ eccentric reducer..weld, clamp,unions.….Standard type: 3A, SMS, DIN, BS,BPE…etc.
Material: ASTM 304, 316, 316L
Surface:
1) ID/OD polishing .
2) Only ID polishing.
3) Only OD polishing
4) unpolished.
Roughness: #400, #320, #240, #180…. Ra 0.8m, 0.6 m, 0.5 m, 0.4 m… (Other surface
finished can be ordered).
