You are here: Home » FAQ

FAQ Category

FAQ

  • Q Payment method and warranty period?

    A Accept TT/LC, with a 15 year warranty (free replacement for non-human damage).
  • Q Do you accept sample orders?

    A Support! 3 sets minimum order, shipped within 7 days, sample fee can be deducted from bulk order.
  • Q Can you provide a load-bearing calculation report?

    A We can provide third-party inspection reports along with the goods and support customized wind/snow load analysis for the project.
  • Q Does the bracket require additional anti-corrosion treatment?

    A No need! The coating and passivation treatment have been completed before leaving the factory, and it can be used directly.
  • Q What is the difference between galvanized aluminum magnesium steel and ordinary galvanized steel?

    A Aluminum magnesium coating significantly improves corrosion resistance, especially suitable for high salt spray and acid rain areas, with a lifespan extension of more than 50%.
Copyright 2026 TIANJIN DWIN ENERGY Co.,Ltd. All Rights Reserved. Sitemap  |   Privacy Policy  

QUICK LINKS

PRODUCTS

CONTACT US

WhatsApp: +8613033804085
Tel: +86-18102181561
Add: 200 meters south of the intersection of Tuwang Line and the extension of Linchang Road, Caigongzhuang Town, Jinghai District, Tianjin