Bayan shekaru na sadaukar da kai ga bincike da ci gaban fasaha a cikin fayil ɗin dawo da zafi da ingancin iska na cikin gida, Holtop yana da nasarori da yawa akan ƙirƙira samfuran da sarrafa inganci, wanda hukumomin ƙasa da na ƙasa suka tabbatar.
Suna: ISO9001
Takaddun shaida No: CN14/10225
Range: dumama, samun iska da kayan haɓaka iska
Bayani: Cibiyar Takaddun Shaida ta ZhongDaHuaYuan ta Beijing
Suna: ISO14001
Takaddun shaida No: CN14/10214
Range: Zane, kera da siyar da kayan aikin da ake amfani da su don firiji, samun iska da tsarkakewar iska
Bayani: Cibiyar Takaddun Shaida ta ZhongDaHuaYuan ta Beijing
Saukewa: OHSAS18001
Takaddun shaida No: CN14/10224
Range: Zane, kera da siyar da kayan aikin da ake amfani da su don firiji, samun iska da tsarkakewar iska
Bayani: Cibiyar Takaddun Shaida ta ZhongDaHuaYuan ta Beijing
Suna: TABBATAR DA KOWA
Takaddun shaida No: LVD GZES1612017839HS
Range: CE takardar shaidar Heat da makamashi dawo da iska
Bayani: SGS-CSTC Standards Technical Services Co., Ltd.
Suna: TABBATAR DA BIYAYYAR EMC
Takaddun shaida No: GZEM1612008088HSV
Range: CE takardar shaidar Heat da makamashi dawo da iska
Bayani: SGS-CSTC Standards Technical Services Co., Ltd.
Suna: LABARI TAMBAYA
Takaddun shaida No: TSEC15000003302
Range: Takaddar ROHS na Heat and Energy Reventure
Bayani: SGS-CSTC Standards Technical Services(Tianjin) Co., Ltd.
Name: CE
Range: Don buƙatun Umarnin Injin 2006/42/EC
Bayani: CCQS UK Ltd.
Suna: Eurovent
Takaddun shaida No: 12.01.004
Range: iska-zuwa-iska rotary zafi musayar
Bayani: EUROVENT CERTIFICATION COMPANY SCRL
Suna: Takaddar Takaddar Samfuran Injiniyan Gina Makamashi
Takaddun shaida No: CABR-KNH-2A-(2015)
Range: Heat da makamashi dawo da iska
Magana: Cibiyar Nazarin Gine-gine ta kasar Sin
Suna: Takaddar Takaddar Samfuran Injiniyan Gina Makamashi
Takaddun shaida No: CABR-KNH-2B-(2015)
Range: Heat da makamashi dawo da iska
Magana: Cibiyar Nazarin Gine-gine ta kasar Sin
Suna: Takaddar Takaddar Samfuran Injiniyan Gina Makamashi
Takaddun shaida No: CABR-KNH-2C-(2015)
Range: Heat da makamashi dawo da iska
Magana: Cibiyar Nazarin Gine-gine ta kasar Sin
