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  • We sincerely invite you to the 138th China Import and Export Fair (Canton Fair)

    Exhibition Name: 138th China Import and Export Fair (Canton Fair) Our Booth: Hall 10.1, Booth B37-38 The entire team at Zhejiang Pujiang Wu's Lock Industry Co., Ltd. is ready to provide you with a professional and detail...

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  • Social Responsibility Report

    Part I: Report PrefaceI. Report Preparation StandardsThis "Social Responsibility Report" reviews the company's philosophies, systems, measures, and achievements in implementing social responsibility practices. The follow...

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  • Quality Integrity Report

    I. Preface(I) Preparation NotesThis report is the first publicly released "Enterprise Quality Integrity Report" by Zhejiang Pujiang Wushi Lock Industry Co., Ltd. (hereinafter referred to as the "Company" or "the Company"...

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  • New website is online!

    We are honored to announce that the official website of Zhejiang Pujiang Wushi Lock Co., Ltd. is now officially online. Here, you can learn about our latest product information, service introduction, industry trends and ...

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  • What are the processes for surface treatment of copper locks?

    1. ‌Chemical treatment‌Chemical polishing‌: Use acidic or alkaline solution to remove oxides and oil stains on the surface of the copper lock to restore its luster‌Passivation treatment‌: Form a dense oxide film on the s...

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  • The principle and structure of copper lock?

    Lock body: usually made of brass (copper zinc alloy), with both hardness and corrosion resistance, containing precision components such as lock core and pin inside.Lock core: The copper lock core has multiple pin holes i...

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  • The difference between iron padlock and copper padlock?

    1. Material characteristicsCopper lock: Copper has natural corrosion resistance, can resist environmental factors such as humidity and oxidation, and has a longer service life. Copper has better ductility and is easy to ...

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