Changzhou Chengda Sponge Co., Ltd. is a professional manufacturer specializing in the production of sponges and related products.

The company's main products include PU sponge, filter cotton, open-cell EPDM, PE, EPE, EVA, SBR, rubber and plastic NBR, melamine sponge, and more.

The sponge, foam, and rubber and plastic foam series products manufactured by our company are widely used in the cushion industry, automotive industry, tourism, building materials, packaging sector, tool accessories, decoration, toys, stationery materials, sports equipment, and more.

Sponge can also be called foam: it is formed by mixing and foaming various chemical raw materials. Depending on the formulation, it can be categorized into more specific names such as polyurethane sponge, polyester sponge, PU foam sponge, slow-rebound memory foam, etc. It can be produced in various colors, densities, hardness levels, with anti-static, flame-retardant, and fire-resistant properties as required. It can also be processed into various shapes, such as rolls, sheets, cylindrical, wavy, triangular, perforated, etc. Sponges of different densities vary in elasticity and hardness, and their prices also differ significantly, with higher densities being more expensive. Sponge has a wide range of applications: for example, in packaging, it is used for shockproof and damage-resistant electronic packaging, jewelry, watches, luggage packaging, etc.; in furniture, it is used for mattresses, cushions, etc.; it can also be used in decoration for sound absorption and sound insulation effects.