思泉新材(301489.SZ)：已生产和供应不同厚度和材质的VC
Group 1 - The company has produced and supplied VC (various thicknesses and materials) [1] - The company is actively researching and developing more types of VC in response to market changes [1]
Group 1 - The company has produced and supplied VC (various thicknesses and materials) [1] - The company is actively researching and developing more types of VC in response to market changes [1]