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  • Why the gum containing ingredients of sealing rubber is lower than us,but the price is more expensive.

    The gum containing ingredients is not the only factor that determines the price, the proper formula and stable product performance are the keys.
  • What is the production capacity of your company?

    Products with an annual output value of 1.5 billion and monthly average of over 100 million yuan.
  • What is the market share of your company in the Chinese market?

    The market share of aluminum alloy doors and windows hardware is about 10%.
  • How can you guarantee the quality?

    Experienced team of engineers and strict quality control. If you meet with quality problem, we promise to replace goods or return your funds.
  • Can I get the free sample?

    Of course,we can send the free sample and catalogue to you,but we don't pay for the delivery fee.

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3H INC is one of the few company provide professional design and solutions for customer in window and door system field. We provide one-stop solution for window and door accessories...

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   +86-134-1324-9243

  +86-(757)-66851321

  +86-134-1324-9243

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