The changqin company limited is located in the middle of the cultural road in the quixin district of yanjong city, shandong province, where sea, land and air transport networks are well developed and geographically superior. It is a legal entity registered by the business and industry authorities of shandong-yongjong city and operating in accordance with the law. As a result of good management and a strong production system, the quality and maturity of the products are guaranteed by the fact that the brand is increasingly accepted by a wide range of customers at home and abroad. The zhangqin company, inc., attaches great importance to the investment in technological development, bringing together the wisdom of its entire staff to fight hard to achieve a proud and commendable achievement. The entire staff of zhangqin company limited looks forward to working with you in good faith. In keeping with the concept of "good faith, professionalism, team" and the concept of "selling only secu...