After sales service system and customer complaint handling:

　　The company has set up an after-sales service hotline: 05638168533, company website http://www.huishanchain.com And a dedicated complaint mailbox, ensuring that customers can choose multiple ways (verbal, telephone, fax, letter, etc.) to provide feedback on issues. The company's marketing department is responsible for handling complaints and other issues from distributors and customers, ensuring the quality of distributors and customers, and ultimately safeguarding the rights and interests of customers. For the management of customer complaints, the company strictly follows the ISO9000 "Customer Satisfaction Control Procedure" as a guiding document in its work. All customer complaints are handled through the "Customer Complaint Handling Form" and quickly communicated with the company's production department and quality technology department to quickly process the "Customer Complaint Handling Form".

　　The company adheres to the service policy of "customer satisfaction, win-win cooperation", improves the pre-sales and after-sales service management system, provides free technical guidance and consultation to customers, and responds to product quality feedback within 24 hours. The company's products focus on excellent quality and high customer satisfaction. While continuously improving product quality, the company also improves its sales network to ensure timely supply. The products are exported to Southeast Asia, Europe, America and other countries, and have received unanimous praise from users.

　　Satisfaction survey and protection of consumers' legitimate rights and interests:

　　The company utilizes various channels such as surveys, follow-up visits, and regular evaluations to collect, analyze, and share customer information, integrating the ways and methods of managing customer relationships to form an effective system for information sharing and management. The company conducts an annual questionnaire survey on customer satisfaction, which includes five aspects: product quality, delivery time, price, service, customer complaints, and return handling. The survey adopts a five level evaluation method, in which customers evaluate various aspects of product requirements and expectations, track and understand customer opinions and suggestions on products, services, transaction processes, etc., collect customer complaints, and conduct statistical analysis on customer opinions to obtain useful information for improvement and innovation.

　　The company conducts satisfaction comparison surveys from professional websites, newspapers and magazines, and distributors, using comparative analysis to understand differences and clarify them. By comparing and analyzing the capabilities, products, and levels of competitors, as well as analyzing customer feedback information, we aim to understand the provisions and changes of relevant laws and regulations, in order to more accurately grasp the reasonable needs and expectations of the market and customers. The company is committed to establishing long-term partnerships, and the number of raw material suppliers and outsourced manufacturers has doubled compared to three years ago. The main manufacturers have high integrity, accounting for about 80% of the total in terms of quantity and over 90% in terms of procurement volume. In order to strengthen management, the company has established an annual work symposium for suppliers and cooperative manufacturers since 2016, and annually evaluates several excellent suppliers and supporting manufacturers, such as raw material steel supplier Zhejiang Jiugang Metal Products Co., Ltd., welding machine supplier Wuhu Jinggu Welding Machinery Sales Co., Ltd., etc., becoming strategic partners of the company. At the same time, the company insists on operating the factory in accordance with the law, establishes a legal advisory system, and hires well-known lawyers from society to serve as long-term legal advisors for the enterprise, responsible for internal and external legal affairs, effectively safeguarding, realizing, and developing the legitimate rights and interests of society, enterprises, and employees.