2) fasteners: The advantage is suitable for pre-plated parts, easy to change adjustment, easy beautification, explosion-proof power distribution box price, parts can be standardized design, explosion-proof distribution box where to sell, and pre-production inventory, Architecture Dimension error. The disadvantage is not as good as welding rugged, high precision parts, processing costs relative rise. Fasteners are generally of standard parts, Hongqiao proof distribution box, the main types of conventional screws, nuts and rivets, rivet, and tightening and can fine-tune the clamp nut and pull solid preload nut, also self-tapping screws. There is also a dedicated fastening screw (mostly imported low voltage cabinet with special fastening screws). [Zhejiang Koretoyo explosion-proof electrical Ltd. Tianjin Office to recommend the star product - proof distribution box] IP (INTERNATIONAL PROTECTION) rating is based on standards: (1) by the IEC (INTERNATIONAL ELECTROTECHNICAL COMMISSION) drafted by international protection and waterproof test standard: the International Electrotechnical Commission standard IEC 529 - 598 (2) GB GB 700 - 86 (3) GB 4208 and so on. Proof distribution box price _ Koretoyo proof (online consultation) _ Hongqiao proof distribution box by Zhejiang Koretoyo explosion-proof electrical Co., Ltd. Tianjin offices. Zhejiang Koretoyo explosion-proof electrical Ltd. Tianjin Office (www.tjfangbao.com) is Tianjin, explosion-proof lighting leader, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs . Explosion in Koretoyo leadership with the staff warmly welcome all inquiries negotiations to create Koretoyo better future proof.