Tianjin Tianzhongzhongzhi Technology Engineering Co., Ltd, also known as ZZ Group or ZhongZhi Co., is a high-tech enterprise and contract manufacturer established in 1998 in Tianjin, China. Evolving from the former Tianjin Heavy Machinery Plant, the company specializes in metallurgical equipment, offering integrated services from research and design to manufacturing of mechanical, electrical, and hydraulic equipment. With over 800 employees and a registered capital of CNY 450 million, the company operates three advanced production bases covering 300,000 square meters, including a 72,000 m2 plant equipped with over 400 CNC machines and a lifting capacity of up to 400 tons. They provide EPC (Engineering, Procurement, and Construction) capabilities for steel rolling lines, with core product lines including hot rolled strip, section, bar & wire production lines, plate mills, and complete rolling mill systems. Tianjin Tianzhongzhongzhi Technology Engineering Co., Ltd holds ISO 9001 and ISO 14001 certifications and has successfully completed over 200 rolling projects, exporting to over 30 countries across Asia, Europe, and other regions. Their expertise extends to advanced solutions like the 1150mm cold rolling mill for ultra-thin precision strip and Continuous Casting Machines for stainless steel bloom & round bloom, serving 45% of the world's Top 100 Steel Producers.
Tianjin Dlochi Technology Co., Ltd. is a manufacturer, service company, trading company, and distributor based in Tianjin, China, operating as a contract manufacturer. Established in 2021, the company employs between 11 and 50 people and specializes in an international trade pattern focused on bulk commodities, large markets, and major customers. With over 30 years of experience in exploration and accumulation, Tianjin Dlochi Technology Co., Ltd. offers a comprehensive suite of services including domestic procurement, import and export trade agency, international freight forwarding, customs clearance, distribution, warehousing, and business consulting. The company has a factory and maintains robust terminal, warehousing, logistics, and bonded facilities in Yingkou port, supported by a team of 20 operators. Their product categories include Metal Detector Machines, Silicon Oxide, and Bottle Openers. They also handle various minerals, metallurgical auxiliary materials, refractory materials, coal, coke, graphite, petroleum coke, chemical raw materials, magnesium metal, aluminum, zinc, alloy materials, machinery and equipment, building materials, and hardware. Tianjin Dlochi Technology Co., Ltd. has a broad international presence with branches in Korea, Japan, Hong Kong, Shanghai, Ningbo, Tianjin, Qingdao, and Dalian, and an extensive agent network across Southeast Asia, the Middle East, Europe, South America, the United States, Australia, New Zealand, Japan, Korea, and Taiwan.