Standard:Environmental management system certification Number:00218E32534R4M Issue Date:2018-08-28 Expiry Date:2038-08-28 Scope/Range:Sewage treatment Issued By:Fangyuan Certification Group |
Standard:Quality management system certification Number:00218Q25177R4M Issue Date:2018-08-28 Expiry Date:2021-09-09 Scope/Range:Sewage treatment Issued By:Fangyuan Certification Group |
Standard:Utility model patent certificate Number:1926535 Issue Date:2011-09-01 Expiry Date:2031-09-01 Scope/Range:Fixed square plate filter Issued By:State Intellectual Property Office of the P.R.C |
Standard:Utility model patent certificate Number:1927640 Issue Date:2011-09-07 Expiry Date:2031-09-01 Scope/Range:Fixed disc filter Issued By:State Intellectual Property Office of the P.R.C |
Standard:Utility model patent certificate Number:1928814 Issue Date:2011-09-07 Expiry Date:2031-09-07 Scope/Range:Fine filter Issued By:State Intellectual Property Office of the P.R.C |
Standard:Utility model patent certificate Number:6022569 Issue Date:2017-03-29 Expiry Date:2027-03-29 Scope/Range:Side guard Issued By:State Intellectual Property Office of the P.R.C |
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