乐彩汇Glass wool NB 2292 CE certificate

乐彩汇Uetersen ISO certificate: 9001-2015 (Chinese version)

乐彩汇Uetersen ISO certificate: 9001-2015(English version)

Uetersen ISO certificate: 14001-2015 (Chinese version)

乐彩汇Uetersen ISO certificate: 14001-2015(English version)

China environmental label (type II) product certification

Uetersen ISO certificate: 45001-2018(English version)

Uetersen ISO certificate: 45001-2018 (Chinese version)

乐彩汇Uetersen trademark (non-thermal conductive materials for thermal insulation)

Uetersen trademark (rock wool products for construction)

Honorary certificate of China Adiabatic and Sound Insulation Material Industry

乐彩汇Certificate of China Adiabatic and Soundproof Material Association

Recommended Certificate of Thermal Insulation for petroleum and Chemical industries

乐彩汇Standard Good conduct enterprise 3A certificate