Back Flow Preventers

We manufacture and supply an extensive range of fire protection equipments, valves, sprinkler and accessories, fire alarm equipments, emergency lights, threaded and grooved pipe fittings, galvanized and seamless pipes.

Over the years, shield has been reaping the benefits of our commitment, enabling us to reposition the business and enhance performance and productivity. Shield branded products have gained a valuable leverage., supplying customers with top quality service and consistent solutions to meet their requirements.

Focus on constant innovation and technological advancement, supported with our sound base of
technical skills, human resources, service-oriented culture has made us a strong, well-positioned player in the markets we serve. The strong symbiotic relationship with customers expresses Sheilds vitality and zeal to grow substantially in the years ahead.

We, Shield commenced our venture with an ambitious commitment to deliver the world wide approved products

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We, Shield commenced our venture with an ambitious commitment to deliver the world wide approved products
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Automatic Reverse-flow Prevention Couplings

Our Part No.:850308 IMPA Code:850308 Model Number:GS-2 Brand Name:All-K Marine or OEM Place of Origin:Zhejiang China (Mainland) These couplings are fitted to the outlet pipe,connecting hose,and the welding/cutting machine and outfit,removing possible risks ...

Come From Ningbo Zhenhai All-K Marine Co., Ltd.

Automatic Reverse-flow Prevention Couplings

Our Part No.:850309 IMPA Code:850309 Model Number:OP-2 Brand Name:All-K Marine or OEM Place of Origin:Zhejiang China (Mainland) These couplings are fitted to the outlet pipe,connecting hose,and the welding/cutting machine and outfit,removing possible risks ...

Come From Ningbo Zhenhai All-K Marine Co., Ltd.