自1976年創立至今的雍昌工業有限公司，一向以專業產品圖，以及優越的品質為目標，更以達成客戶的滿意為職志。而如今， 已成功的成為兼具穩定與高品質之專業screwdriver bits及screwdriver的製造商。 我們擁有完整的生產線， 所有的產品都是100%台灣製造，用料更採用國內頂級優質的鋼料，甚至大量自國外進口特殊鋼材。 同時，我們的產品都在符合DIN/ISO的國際規範下生產，且自1991年便通過了TUV的品質檢驗系統認證。也在1999年，自德國引進了亞洲唯一一部最專業的Schatz自動扭力測試機，並擁有三位通過Schatz認證的檢測人員，除了用來監控品質的穩定，也為了證明我們的產品標準，在嚴格管制的生產過程下擁有最良好的品質表現。雍昌公司也在1999年與2003年，分別榮獲ISO9002及ISO9001的品質認證。我們歡迎您詢問。不論您的需求為ODM或OEM，我們都可以用我們的經驗、技術、設備，以及熱誠來滿足您的所需要的服務。

Established in 1976, YUN CHAN Industry Co., Ltd.has continually provided professional產品圖, customer-friendly service and superior quality products to our worldwide clients. We are the leading manufacturer forstable and industrial quality screwdriver bits, screwdrivers, allen key, impact driver, nut setter, bit holder and ratchet drivers. We have our own complete production line, and all products from YUN CHAN are 100% made in Taiwan with high-grade material such as either S2-steel or top-grade German S2-steel. All of our bits and screwdrivers are produced to qualify the DIN/ISO standard and were certified with the TUV quality inspection system since 1991. Furth產品圖ermore, to maintain our products with high-level quality, we introduced Asia's one and only torque test machine made by Schatz in Germany in 1999, which along with three in-house Schatz-certified inspectors, also makes the standard of our bits and screwdrivers superior to the universal specification under strict supervision. We also qualified the international certifications: ISO9002 in 1999 and ISO9001 in 2003. We can meet your request for either ODM or OEM order. We welcome your ideas and suggestions for further improvement to us.