福彩快3下载

Certificates

sitong boiler co., ltd was founded in 1978, it is a national approved and designated enterprise, with design and manufacture license permits of a1, a2 boiler and d1 pressure vessel. the company passes iso 9001 international quality system certification, and gains the international certificates of ce, sgs, and bv, etc. the factory covers an area of 130,000m2 with more than 1000 employees in total. sitong boiler has the independent import-export qualification. the industrial boilers and pressure vessel have exported to more than 60 countries all over the world. moreover, sitong boiler has set up about 100 overseas agencies in bangladesh, the philippines, sri lanka, ukraine, korea and ethiopia, etc.

福彩快3下载henan sitong boiler is a professional manufacturer of industrial boilers and pressure vessels in china. the company has a powerful technical support, we have established a long-term cooperate relationship with xi’an jiaotong university, wuhan university of technology, henan agricultural university school of energy and power engineering and many other research institutions. with the strong design capability and technology development capabilities, the company is award “henan famous brand” in china. sitong boiler devotes itself to design the high efficiency and energy saving boiler products, the boilers have been exported to more than 60 countries all over the world.

山东11选五5开奖走势图 七星彩最近300期 猎鱼达人3d卖号 赢了中福在线几十万不给提现 河北快三开奖结果