丞耀精密有限公司於1999成立為中華民國經濟部經授中字第10132085380 號核准之合法公司。並於 2004 斥資建廠，2006 遷入新廠，期待以更好的環境設備為服務客戶與更好的品質。 本公司秉持 【誠信】 【品質】 【效率 】 的經營理念為客戶服務，並且不斷自我鞭策，多獲得客戶及業界的肯定與信賴。丞耀精密將一本初衷，健全公司組織制度， 以持續提昇品質及效率，使公司能在激烈的競爭中，不斷的穩定成長，永續經營。 並於2013年與鎮茂科技能源股份有限公司(JHEN MAO TECHONOGLYENERGY CO.,LTD) 相互合作開發新型專利USB雙向變頻小塔扇。 為了推行綠色節能環保的概念，推廣DC無刷變頻馬達之應用，丞耀精密所有產品皆要求符合 ROHS 與 SGS 環保規範。因應精密加工之趨勢，不僅在技術方不斷汲取新知以提昇專業技能，並不斷研發新產品，並依客戶需求，提供客製化服務； 特於2014年01月導入並積極推動ISO9001品質管理系統，期待藉由全員參與、持續不斷的改善來提高客戶滿意度，再創營運佳績。對加工設備方面亦是如此，不惜增購新設備， 提昇產品精度並提高公司競爭力。

Cheng Yao Precision Co., Ltd. was established in 1999, and approved from the Republic of China Ministry of Economic Affairs as the no of 10,132,085,380 legitimate companies. We also spent money to build a factory in 2004, and moved into a new factory in 2006, looking forward to better quality of service with a better environment and equipment. Our company upholds a philosophy of "integrity", "quality" and "effectiveness" to service for our esteemed clients, and spur ourselves continually to gain recognition and trust from customers in the industry. Cheng Yao Precision always take it in mind to make system for company organization. So that we can improve quality and efficiency to keep updated with a stable growth and sustainable management among fierce competition. We are proud to invent a new patented USB two-way inverters of small tower fan after cooperate with JHEN MAO TECHONOGLYENERGY CO.,LTD in 2013. In order to implement green eco-friendly concepts of energy conservation and environmental protection, we promote the application of brushless DC inverter motors, All of Cheng Yao Precision Co., Ltd. products are required to meet ROHS and SGS environmental protection norms. To cope with trends of precision machining, not only enhances our professional skills on the technical side, but also continues to develop new products, and according to customer needs, provides customized services. This is true, especially since we adopted and promoted the ISO9001 quality management system of ISO9001 which active in Jan. 2014, This is expected to improve customer satisfaction with all of our participation and continuous improvement to create more sales volume. We also purchase new processing and machinery equipment to improve products’ accuracy and increase the company's competitiveness.