Ya Hui Technology Co., Ltd. of Shenzhen City, is a commitment to help small and medium enterprises in the development electronic products intelligent technology product .The main services are MCU software development, hardware software, turnkey OEM on behalf production, transfer technical ...

Dong Fang Petro-Chemical Machinery Factory (DFCMF) has established in 1984.DFCMF acquired the government-granted license to fabricate pressure vessel of I,II , III, and Hebei province-granted design I,II. DFCMF been authorized use indicated symbol "U" American Society ...