Ka dib sanado badan oo u heellan cilmi baarista iyo horumarinta tignoolajiyada ee xaraynta soo kabashada kulaylka iyo tayada hawada gudaha, Holtop waxay leedahay guulo badan oo ku saabsan hal-abuurka badeecada iyo maaraynta tayada, taas oo ay caddeeyeen masuuliyiinta Qaranka iyo kuwa Caalamiga ah.
Magaca: ISO9001
Shahaadada Maya: CN14/10225
Range: Qalabka kuleylinta, hawo-siinta iyo dib-u-soo-celinta hawada
Tixraac: Xarunta Shahaadada ee Beijing ZhongDaHuaYuan
Magaca: ISO14001
Shahaadada Maya: CN14/10214
Range: Nakhshad, warshadaynta iyo iibinta qalabka loo isticmaalo qaboojinta, hawo-qaadista iyo sifaynta hawada
Tixraac: Xarunta Shahaadada ee Beijing ZhongDaHuaYuan
Magaca: OHSAS18001
Shahaadada Maya: CN14/10224
Range: Nakhshad, warshadaynta iyo iibinta qalabka loo isticmaalo qaboojinta, hawo-qaadista iyo sifaynta hawada
Tixraac: Xarunta Shahaadada ee Beijing ZhongDaHuaYuan
Magaca: Xaqiijinta Cabashada
Shahaadada Maya: LVD GZES1612017839HS
Range: Shahaadada CE ee hawo-socod ka soo kabashada kulaylka iyo tamarta
Tixraac: SGS-CSTC Heerarka Adeegyada Farsamada Co., Ltd.
Magaca: Xaqiijinta U Hogaansanaanta EMC
Shahaadada Maya: GZEM1612008088HSV
Range: Shahaadada CE ee hawo-socod ka soo kabashada kulaylka iyo tamarta
Tixraac: SGS-CSTC Heerarka Adeegyada Farsamada Co., Ltd.
Magaca: WARBIXINTA XAQIIJINTA
Shahaadada Maya: TSEC15000003302
Range: Shahaadada ROHS ee hawo-mareenka soo kabashada kulaylka iyo tamarta
Tixraac: SGS-CSTC Heerarka Adeegyada Farsamada (Tianjin) Co., Ltd.
Magaca: CE
Range: Shuruudaha Dardaaranka Mashiinnada 2006/42/EC
Tixraac: CCQS UK Ltd.
Magaca: Eurovent
Shahaadada No: 12.01.004
Range: Heerarka kulaylka hawada-ilaa-hawo wareejinta
Tixraac: SHIRKADA SHAHAADADA EE EUROVENT SCRL
Magaca: Shahaadada Shahaadada Badbaadinta Tamarta Tamarta ee Dhismaha Dhismaha
Shahaadada Maya: CABR-KNH-2A-(2015)
Range: hawo-qaade kabashada kulaylka iyo tamarta
Tixraac: Akadeemiyada Cilmi-baarista Dhismaha Shiinaha
Magaca: Shahaadada Shahaadada Badbaadinta Tamarta Tamarta ee Dhismaha Dhismaha
Shahaadada Maya: CABR-KNH-2B-(2015)
Range: hawo-qaade kabashada kulaylka iyo tamarta
Tixraac: Akadeemiyada Cilmi-baarista Dhismaha Shiinaha
Magaca: Shahaadada Shahaadada Badbaadinta Tamarta Tamarta ee Dhismaha Dhismaha
Shahaadada Maya: CABR-KNH-2C-(2015)
Range: hawo-qaade kabashada kulaylka iyo tamarta
Tixraac: Akadeemiyada Cilmi-baarista Dhismaha Shiinaha
