Zhengzhou Zhengnayuan Insulation Material Co., Ltd. signed the vacuum diameter ø185-ø650 production line of Qingdao Haixi Plastic Machinery Co., Ltd. on May 6, 2022. Our company has made every effort to produce during the epidemic and has achieved the best performance and provided the best service. Zhengzhou Zhengnayuan Thermal insulation Material Co., Ltd. as a new customer of Qingdao Haixi Plastic Machinery Co., LTD., thank you for your trust and support. Our company will load and deliver the goods on May 21, 2022, to give 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. Our company to provide customers with the best service, customer satisfaction is my company's unremitting pursuit.