DaYang is a professional petroleum equipment supplier located in DongYing City, ShanDong Province, the same place with the second largest oil field in China ShengLi oil field. Since its foundation in 1999, it has been devoting to the autonomous development and manufacturing of spare parts for petroleum drilling equipments, electric generating sets, electrical tools and apparatus, and has provided lots of products and services to the large oil fields in China like ShengLi, ZhongYuan and JiangHan, and exporting products to America, Middle East and African countries and regions as well.

Main business: onshore oil drilling & extracting equipments and accessories; offshore oil drilling & extracting accessories; lighting and explosion proof equipments; special petroleum vehicles; output of petroleum technology & crews, etc.