The manufacture of Sunshinepack involves several stages. They mainly include the installations of cams, shafts, and bearing, the design of injection-molded plastic parts, fixtures, and gauges. HengYi is a professional shoe material supplier specializing in the production of a variety of breathable PU cotton, inert memory foam, and breathable insoles. Our company insists on winning the market with high quality, constantly innovating and leading the industry forward. We adhere to the concept of "sustainable management and sustainable development", "customer satisfaction, and the will of colleagues" as our business objectives and "win-win" concept. Our polyurethane & memory foam is used in a variety of applications including footwear, sporting goods and all kinds of high-end products. All of our PU foam/ high resilience foam/ memory foams does not contain any toxic substances, fully in line with the standards of international environmental organizations. We believe that your first visit will be the beginning of our friendly cooperation

Each Sunshinepack is carefully inspected. After the slabs are polished, each slab will be inspected for defects and color consistency.

Sunshinepack has been tested for many times. These tests have been conducted in terms of power, efficiency, service life, strength, stiffness, anti-friction, wear and tear, vibration stability, etc. HengYi is a professional shoe material supplier specializing in the production of a variety of breathable PU cotton, inert memory foam, and breathable insoles. Our company insists on winning the market with high quality, constantly innovating and leading the industry forward. We adhere to the concept of "sustainable management and sustainable development", "customer satisfaction, and the will of colleagues" as our business objectives and "win-win" concept. Our polyurethane & memory foam is used in a variety of applications including footwear, sporting goods and all kinds of high-end products. All of our PU foam/ high resilience foam/ memory foams does not contain any toxic substances, fully in line with the standards of international environmental organizations. We believe that your first visit will be the beginning of our friendly cooperation

Sunshinepack will be inspected and tested thoroughly. It has passed the required tests in terms of the main motor, thermal relay, alternating current contactor, fuse protector, thermoelement, and other essential parts. Open cell polyurethane foam sheets ensures maximum breathability, preventing any moisture build-up that could lead to discomfort or unpleasant odors while wearing shoes. The absorbent nature of these foam sheets provides excellent cushioning and shock absorption, effectively reducing pressure points on the feet during daily activities or intense workouts. Furthermore, the softness and flexibility of open cell polyurethane foam adapt perfectly to individual foot shapes, offering a custom fit that promotes better posture and overall foot health. Whether you're an athlete seeking optimal performance or simply looking for all-day comfort in your footwear, open cell polyurethane foam sheets for shoe insoles offer a perfect blend of functionality and luxury that will keep your feet happy all day long

The quality of Sunshinepack meets both domestic and international standards for sanitary ware. It will be scrutinized for its chemical properties and hygiene level by the QC department. Open cell polyurethane foam sheets ensures maximum breathability, preventing any moisture build-up that could lead to discomfort or unpleasant odors while wearing shoes. The absorbent nature of these foam sheets provides excellent cushioning and shock absorption, effectively reducing pressure points on the feet during daily activities or intense workouts. Furthermore, the softness and flexibility of open cell polyurethane foam adapt perfectly to individual foot shapes, offering a custom fit that promotes better posture and overall foot health. Whether you're an athlete seeking optimal performance or simply looking for all-day comfort in your footwear, open cell polyurethane foam sheets for shoe insoles offer a perfect blend of functionality and luxury that will keep your feet happy all day long

A number of quality tests will be carried out to ensure that products meet industry quality standards.