证书

覆盖整个欧洲的SJM集团(100%家族控股)活跃于全球,业务涉及贸易、有色金属、含有色金属的废料和合金钢加工以及铜基合金、铜阴极、化学工业用镍和锌的原材料生产。


ISO 9001 certificate ESC DE 2018
certificate-Nr.: 21509/09-18
valid to 17. january 2022
ISO 9001 certificate ESC EN 2018
certificate-Nr.: 21509/09-18_a
valid to 17. january 2022
ESN certificate SJM 2019
certificate-Nr.: ESN 09-120456(18)
valid to 31. may 2020
AQSIQ certificate
certificate-Nr.: A276120215
valid to 31. august 2023