---Jan. Class AR1 manufacture license
---Jun. Class I & II pressure vessel design license
---Nov. ISO9001:2000 international quality management system certification
---Jun. ASME code pressure vessel “U stamp” certificate.
Complaints Hotline:+86(0)631 5758782
E-mail: sales@cysrtw.com Add: N0.9, Dongxin Road, Zhangcun Town, Huancui Dist., Weihai City, Shandong
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