Zhaoyuan Dongtian Machinery Co.,Ltd.located in Zhaoyuan City of Shandong Province,the Capital of Gold in China .It is adjacent to Qingdao and Yantai .Founded in February 2001 on a land covering an area of 1600 square meters .The company is equipped with advanced steel grating production lines and slewing ring production lines , able to produce 12,000 tons of steel gratings,slewing rings and high-strength standard parys etc annually.At the same time ,the company also researches and produces internationally advanced medium frequency contravariant automatic steel grating and soket grating press welders.Currently,Dongtian Machinery Co.,Ltd.is a large manufactory producing steel gratings ,steel grating welding equipment ,slewing ring ,high-streth standard parys in China. Relying on a business philosophy of “Quality First,Customer First”,the company ensures stable product quality ,wins the praise and trust of customers worldwide and successively produces various types of steel gratings ,slewing rings ,high-strength standard parts and trench covers for a number of world-famous enterprises of Austrilia ,America,Peru,Dubai,and so on.. The company will continue to serve the costomers ,meet market demand and establish long-term and friendly partnerships with friends worldwide with the most advanced equipment ,the best pruduct quality,a perfect service system and the most favorable prices!