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Shandong Yitong Energy Saving Co., LTD., on February 11, 2022, signed the contract between the 400-960 production line and the 850-1680 production line of Qingdao Haixi Plastic Machinery Co., LTD. During the epidemic period, our company made every effort to produce, innovated on the basis of the original, and achieved good performance and provided good service. As an old customer of Qingdao Haixi Plastic Machinery Co., LTD., Shandong Yitong Energy Saving Co., Ltd. thanks for your trust and support. With the unremitting efforts of our employees, our company will load and deliver the goods on March 10, 2022, giving customers a satisfactory answer sheet. Then my company's debugging personnel also set out, to your company for installation and debugging, to meet customer needs, urgent production of pipes, your company's support and satisfaction.