Shanghai Guardian Environmental Energy Technology Co., Ltd. supporting the supply of high and low voltage distribution cabinets, Algerian air single preheating walking beam heating furnace project, Beijing Baineng Electric Technology Co., Ltd. TOSYALIALGERIA comprehensive steel plant water treatment, oxygen production, dust removal, lime kiln regional low-voltage cabinet equipment procurement contract, Shenyang Sequoia Technology Co., Ltd. Hebei Yongyang Special Steel Group Co., Ltd. industrial restructuring, relocation of the city, equipment upgrading and transformation project white ash kiln system EPC project