• 2015-04-14
  • Before introducing the little complex ratchets structure, let's check the principle of ratchet design. Ratchet principle:  The gear can only rotate in one direction (clockwise or counterclockwise) because of the pawl, and the ampl ...
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  • 2015-04-12
  • How to use Tien-I wrench tool to replace the hard-reached water-tap? Lots of "How to" articles are in the internet.  For Examples (Youtube Link) : 重灌達人如何自己安裝、更換水龍頭 or But I believe most of people don't know how to d ...
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  • 2015-04-06
  • The first critical step for precise metal processing is to understand the characteristic of alloy steel or material. Before Tien-I move on to mass production for OEM/ODM metal part, Tien-I team will focus on understanding the customer's need. Then we ...
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  • 2015-02-24
  • Universal Joint, or Universal Joint Socket are designed to work for the confined place with fleixble angles. Usually, the user will apply universal joint plus socket plus extenson, or just universal joint socket plus extension. Either way will help t ...
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  • 2015-02-04
  • Tien-I most products are made in Taiwan. Most of our raw material come from the China Steel Corporation (CSC), the largest and highest quality steel company in Taiwan. Tien-I won't sacrifice our clients’ brand reputation for the short-term chea ...
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