henan sitong boiler co., ltd is the professor of industrial steam boiler manufacturer, with the certificates of iso 9001, ce, sgs, bv, etc.
sitong boiler co., ltd was founded in 1978, it is a national approved and designated enterprise, with design and manufacture license permits of grade a steam boilers and d1, d2 pressure vessels.
3d组选347开奖前后关系the factory covers an area of 130,000m2 with more than 1000 employees in total. it adopts international standard planning, with reasonable process layout.
here is an experts team for r&d and design, and cooperate with national famous universities, our company has a strong design capability and technology support.
3d组选347开奖前后关系sitong steam boiler adopts advance testing equipment and manufacturing equipment, including processing, welding, testing and other production lines.
3d组选347开奖前后关系there are flaw detection laboratory and raw material control laboratories to ensure the quality of raw materials and steam boiler products.
(1) 24 months warranty period. (2)the technical teams will visit customers for after sale service every quarter.