Yanzhou City Everbright Machinery Co., Ltd. was established in 2006, is a the production screw, large screw, industrial and mining machinery and equipment based enterprises. Our technical staff has 30 years of production experience trapezoidal screw, the trapezoidal screw has won provincial superior. Buyou. 1M-8M variety of precision screw dedicated lathe finishing at a constant temperature, dynamic laser measurement thread precision, computer data analysis, capable of producing a standard screw. Special toothed screw. Multi-head screw. Large lead screw. Reciprocating screw. Shaped screw, with the production of a large-scale. Heavy-duty long screw, with a number of production lines, fully equipped with specialized production levels, is the largest trapezoidal screw processing base.