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J-Flow Valve & Fitting Industry Co.（www.j-flow.cn)-is a professional iron valve & fittings supplier in China. Our factory occupied more than 67000 m2, which include foundry, Physical and chemical laboratory ,machine workshop,epoxy coating line, hydraulic test line，rubber workshop and packing. Also we have our own R & D team for specific design and machine. Along with CE ,WRAS ,SGS ISO9001,UL/FM approved, our products have exported more than 40 countries and area .Our main line include :
Cast Iron Industrial Valves:
EN1074-1.2 / BS5163 /AS2638.2 /AWWA C509, C515 Resilient Seated Gate Valve.
Wafer,Lug,Double Flange Butterfly Valve
Ball Check Valve, Dual plate Check Valve, Swing Check Valve.
Ductile Iron Pipe Fittings.
Dismantling Joint
BS EN14525 Universal Coupling & Flange Adaptor for DI,STEEL,PVC,AC...Pipes
BS EN12842 Restrained Coupling & Flange Adaptor for PVC/HDPE Pipe
Tapping Saddle / Saddle Clamp for PVC,PE,DI,AC ...Pipe
BS EN545/ ISO2531 Ductile Iron Fittings
Rubber Expansion Joint.
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Düker GmbH & Co. KGaA is a medium-sized company with a tradition of a smeltery and hammer mill. Today there are four divisions: fittings and valves, drainage technology, glasslining technology and jobbing foundry.
With cast iron products, Düker is one of the leading manufacturers of valves and pressure fittings for the drinking water and gas supply as well as of pipes and fittings for the drainage systems.
Furthermore the development and production of acid-proof enamelled components and pipes for the plant engineering of the chemical and pharmaceutical industry belongs to the core competence of Düker.
In the Lower Franconian locations Karlstadt and Laufach there are around
650 employees with an apprenticeship rate of approximately 8%. So Düker is one of the biggest German iron foundries.

Welcome to DamesaIn a world marked by constant change and advances which we have always embraced, we aim to be true to our own philosophy and to continue giving our customers the quality and service they expect from us.Specialists in distribution for professionalsDamesa is totally oriented towards providing solutions to the needs of our customer base in the industrial supplies and hardware distribution sectors. We have been the exclusive distributors of a wide range of top-quality products for many years are one of the main players on the market. Service. Capacity. Responsibility. This is a combination born of years of experience, hard work and the most advanced technical and human resources.Leaders in FastenersWe are active in sectors such as Industry, Automotive, Marine, Sanitary, Construction and Agriculture with over 10,000 different parts in our range. Since Damesa was founded in 1981 we have put our total infrastructure at the service of our customers. This has enabled us to provide the service and immediate solutions expected from us via our extensive sales network which covers the entire Spanish market. The fact that we are in direct competition with leading brands confers upon us the prestige of internationally recognized quality and service. Proof of this can be found in the more than 5000 customers who place their trust in Damesa.

Cast iron components
Our foundries produce nodular and ductile cast iron components between 0.1 and 200 kg in the materials EN-GJL and EN-GJS. In addition, we manufacture various special alloys for a large number of well-known customers in Europe and worldwide.

Stainless steel and steel components
In our production facility near Augsburg, we manufacture components from various materials such as stainless steel alloys and steel. Laser cuts, punched parts and complex components. We also manufacture stainless steel in qualities such as 1.4016, 1.4301 and 1.4571.

Building materials
The building materials business unit has been an essential part of the ZÜRN group of companies for almost 60 years. Our aim is to be a reliable and competent supplier and partner for our customers in the field of road construction and civil engineering.