/sertifikat

Korporativ malaka sertifikati

Bu Yixing Haina Environmental Engineering Co., Ltd. tomonidan olingan malaka sertifikati bo'lib, unga shahar va jamoat ishlari qurilishi uchun ikkinchi darajali umumiy pudrat shartnomasi (2026-yil 16-aprelgacha bir yillik amal qilish muddati bilan yangilangan), bino mexanik va elektr o'rnatish muhandisligi uchun ikkinchi darajali ixtisoslashtirilgan pudrat shartnomasi va atrof-muhitni muhofaza qilish muhandisligi uchun birinchi darajali ixtisoslashtirilgan pudrat shartnomasi kiradi.

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