About Us

Zhongshan Yongyichang Electronics Co., Ltd. has been focusing on the research, development, production and sales of silicon (silicon) rubber products for 20 years. Customers are welcome to inquire and customize

Outdoor electronic waterproof, electronic waterproof silicone

About Us

Zhongshan Yongyichang Electronics Co., Ltd. has been focusing on the research, development, production and sales of silicon (silicon) rubber products for 20 years. Customers are welcome to inquire and customize

About Us,Silicone Medical and Baby Products,Rubber Products Manufacturer

Company Profile

Longrand Industry Limited. is a professional manufacturing company with 20 years of experience in designing and manufacturing silicon (silicon) rubber products. In order to implement the business policy of "customer first, quality first, and excellence", the company has passed the ISO9001:2000 version certification, and established an enhanced quality assurance system according to the requirements of United Technologies Corporation (UTC). In order to cooperate with customers to respond to the EUs "ROHS" directive on the restriction of the use of hazardous substances, the companys products have successfully passed the (CTI) environmental protection test. Our company has introduced advanced production equipment, testing and inspection instruments from Japan and Taiwan, and can test and inspect the physical and chemical properties of raw materials and products, as well as the technical properties of surface treatment. The sound company organization guarantees the smooth progress of the quality work and further improves the quality assurance ability.


Our companys products are exported to all provinces, municipalities and autonomous regions across the country. High-quality products and warm service have been well received by the majority of users. Yongyichang takes "high-tech technology, product internationalization, management modernization, sales informatization" as the goal, "prevention first, continuous improvement" as the quality policy, and continues to meet the needs of our customers with high-quality products and services. Require.
All my colleagues in our company are willing to continue mutual benefit and common development with new and old customers on the basis of the established good business, adhere to the business philosophy of "survive by quality, develop by integrity", market-oriented Fang new and old customers and our factory sincere cooperation, hand in hand to create a better tomorrow.

Business Idea

Focus on the development of rubber and plastics for many years
20 years of focus on the production and manufacturing of new rubber and plastic products; a new rubber and plastic company integrating product production, technical consultation, and construction services

High quality has been recognized by many customers
Production equipment and process technology; the companys products are produced in accordance with regulations, the testing instruments are precise, and the testing equipment is complete; the company has won a number of honors.

Strictly control product quality
From raw material procurement to production process and product packaging, through layer-by-layer optimization, while ensuring quality, the cost is reduced to the extreme; providing customers with high-quality and low-cost products.

Integrated and considerate after-sales service
One-stop rubber and plastic development solutions, 2-hour quick response, 24-hour online customer service, ready to serve you and listen to customer feedback.