WhatsApp: +86-18715010658 Email: admin@cz-metal.com
You are here: Home / Support / FAQ


  • Who are we? 

    Shanghai Changzeng Steel established in 2006, Changzeng Steel has developed into a large-scaled enterprise, located in the city of Shanghai, which is the largest artificial harbor in south China. 
  • What can you buy from us?

    H beam, steel angle, steel channel, steel plate(hot rolled plate, cold rolled sheet, galvanized steel coil, checkered plate and so on), square tube, round pipe and so on.
  • How can we guarantee quality? 

    1. Sourcing raw materials from reputable suppliers: We only source our raw materials from trusted and verified suppliers who provide high-quality materials.
    2. Quality control during the manufacturing process: We have a dedicated team that monitors the entire manufacturing process to ensure that the steel is produced to the required specifications.
    3. Testing and inspection: We conduct various tests and inspections throughout the manufacturing process, including chemical analysis, mechanical testing, and dimensional inspection, to ensure that the steel meets the required quality standards.
    4. Certifications and standards compliance: We make sure that our steel products comply with international standards and certifications, such as ASTM, AISI, and ISO.
    5. Customer feedback and satisfaction: We value our customers' feedback and take it seriously to improve our processes and products continually.
    By following these steps, we can confidently assure our customers that the steel we supply is of the highest quality and meets all the necessary requirements.
  • What is our terms of payment? 

    30% T/T in advance, balance before shipment by T/T or L/C.
Shanghai Changzeng Metal Co., Ltd. was established in 2006. It is a professional steel factory in Shanghai. We mainly sell angle steel, H beam, steel channel, round steel, square steel, steel wire, PPGI coil and so on.
Contact us
Free free to contact us.

Quick Links

Follow Us

Featured Products

Leave a Message
Copyright © 2023 Shanghai Changzeng Metal Co., Ltd. All Rights Reserved | Privacy Policy