哥伦比亚采购需求：玻璃纤维布 玻璃纤维织物，玻璃纤维布粉，玻璃纤维复合材料，玻璃纤维手柄，玻璃纤维隔热垫，玻璃纤维加热

I'm interested in your products and would like to know how I can obtain a sample for evaluation. It's important for me to assess the quality and suitability before placing a larger order. Could you please provide details on the sample request process? Additionally, I'd appreciate information about any associated costs, shipping times, and whether there are specific requirements I need to fulfill to receive the sample. Looking forward to your prompt response!