Ina ua mavae le tele o tausaga o le tuuto i le suesuega ma tekinolosi atinae i le failaina o le toe faaleleia o le vevela ma le tulaga lelei o le ea i totonu, ua maua e Holtop le tele o ausia i luga o le oloa innotivation ma le pulega lelei, lea ua faamaonia e National ma International pulega.
Igoa: ISO9001
Numera Tusi Faamaonia: CN14/10225
Va'aiga: Fa'avevela, fa'avevela ma mea e fa'afouina ai le ea
Fa'amatalaga: Beijing ZhongDaHuaYuan Certification Center
Igoa: ISO14001
Numera Tusi Faamaonia: CN14/10214
Va'aiga: Fuafuaga, gaosiga ma le fa'atau atu o mea faigaluega fa'aoga mo le fa'aaisa, fa'avevela ma le fa'amamaina o le ea.
Fa'amatalaga: Beijing ZhongDaHuaYuan Certification Center
Igoa: OHSAS18001
Numera Tusi Faamaonia: CN14/10224
Va'aiga: Fuafuaga, gaosiga ma le fa'atau atu o mea faigaluega fa'aoga mo le fa'aaisa, fa'avevela ma le fa'amamaina o le ea.
Fa'amatalaga: Beijing ZhongDaHuaYuan Certification Center
Igoa: FA'AMANATU O TAUSI
Numera Tusi Faamaonia: LVD GZES1612017839HS
Avanoa: CE tusi faamaonia o le vevela ma le malosi toe faʻaleleia ventilator
Fa'amatalaga: SGS-CSTC Standards Technical Services Co., Ltd.
Igoa: FA'AMANATU O LE TAUSIA EMC
Numera Tusi Faamaonia: GZEM1612008088HSV
Avanoa: CE tusi faamaonia o le vevela ma le malosi toe faʻaleleia ventilator
Fa'amatalaga: SGS-CSTC Standards Technical Services Co., Ltd.
Igoa: LIPOTI FA'AMANATU
Numera Tusi Faamaonia: TSEC15000003302
Avanoa: ROHS tusi faamaonia o le vevela ma le malosi toe faʻaleleia ventilator
Fa'amatalaga: SGS-CSTC Standards Technical Services(Tianjin) Co., Ltd.
Igoa: CE
Va'aiga: Mo mana'oga o le Fa'atonuga o Masini 2006/42/EC
Fa'amatalaga: CCQS UK Ltd.
Igoa: Eurovent
Numera Tusi Faamaonia: 12.01.004
Va'aiga: Ea-i-ea fesuia'i vevela
Fa'amatalaga: EUROVENT CERTIFICATION COMPANY SCRL
Igoa: Fa'ailoga Fa'ainisinia Faufale Malosiaga Fa'asaoina o Oloa Tusi Fa'amaonia
Numera Tusi Faamaonia: CABR-KNH-2A-(2015)
Va'aiga: Fa'aola vevela ma le malosi
Fa'amatalaga: Saina Academy of Building Research
Igoa: Fa'ailoga Fa'ainisinia Faufale Malosiaga Fa'asaoina o Oloa Tusi Fa'amaonia
Numera Tusi Faamaonia: CABR-KNH-2B-(2015)
Va'aiga: Fa'aola vevela ma le malosi
Fa'amatalaga: Saina Academy of Building Research
Igoa: Fa'ailoga Fa'ainisinia Faufale Malosiaga Fa'asaoina o Oloa Tusi Fa'amaonia
Numera Tusi Faamaonia: CABR-KNH-2C-(2015)
Va'aiga: Fa'aola vevela ma le malosi
Fa'amatalaga: Saina Academy of Building Research
