Tianjin Haiyuan Automatic Control System Co., Ltd. is engaged in vice-agent of electric equipment and industrial control products. Our company undertakes various types of industrial auto-control systems and projects and technical services. Our tenet is "Credit Management, and Customers First". We provide products with the highest quality and the best service for customers. Our company has won the praise and support of various industries. The performance of our company is flourishing, and the ...