免费看黄色一级毛片,欧美性黄色,欧美另类videosbest喷潮,我想看国产一级毛片,一级高清免费毛片,国产亚洲黄色片,一级做a免费看

認證名稱：質(zhì)量管理體系認證證書

認證類別：GB/T 19001-2016/ISO 9001:2015《質(zhì)量管理體系 要求》

詳細信息：不銹鋼焊條、堆焊焊條、銅及銅合金焊條、鑄鐵焊條、鎳及鎳合金焊條、低合金鋼焊條的生產(chǎn)；氣體保護焊絲、埋弧焊實芯焊絲、藥芯焊絲的銷售

認證名稱：環(huán)境管理體系認證證書

認證類別：GB/T 24001-2016/ISO 14001:2015 《環(huán)境管理體系 要求及使用指南》

詳細信息：不銹鋼焊條、堆焊焊條、銅及銅合金焊條、鑄鐵焊條、鎳及鎳合金焊條、低合金鋼焊條的生產(chǎn)；氣體保護焊絲、埋弧焊實芯焊絲、藥芯焊絲的銷售及相關(guān)管理活動

認證名稱：職業(yè)健康安全管理體系認證證書

認證類別：GB/T 45001-2020/ISO 45001:2018 《職業(yè)健康安全管理體系 要求及使用指南》

詳細信息：不銹鋼焊條、堆焊焊條、銅及銅合金焊條、鑄鐵焊條、鎳及鎳合金焊條、低合金鋼焊條的生產(chǎn)；氣體保護焊絲、埋弧焊實芯焊絲、藥芯焊絲的銷售及相關(guān)管理活動

認證名稱：Quality Management Systems Certificate

認證類別：GB/T 19001-2016/ISO 9001:2015 Quality management systems---Requirements

詳細信息：Production of stainless steel welding rod,copper and copper alloy welding rod,cast iron welding rod,nickel alloy welding rod, low alloy steel welding rod;sales of gas shielded welding wire,submerged arc solid welding wire and flux cored welding wire

認證名稱：Occupational Health and Safety Management Systems Certificate

認證類別：GB/T 45001-2020/ISO 45001:2018 Occupational health and safety management systems -- Requirements with guidance for use

詳細信息：Production of stainless steel welding rod, surfacing welding rod,copper and copper alloy welding rod,cast iron welding rod, nickel and nickel alloy welding rod,low alloy steel welding rod; sales of gas shielded welding wire, submerged arc solid welding wire and flux cored welding wire and related management activities

認證名稱：Environmental Management Systems Certificate

認證類別：GB/T 24001-2016/ISO 14001:2015 Environmental management systems-Requirements with guidance for use

詳細信息：Production of stainless steel welding rod, surfacing welding rod,copper and copper alloy welding rod, cast iron welding rod, nickel and nickel alloy welding rod,low alloy steel welding rod; sales of gas shielded welding wire,submerged arc solid welding wire and flux cored welding wire and related management activities