印度采购需求：酸性黑 2、尼龙酸性染料、羊毛酸性染料、棉用酸性染料、酸性染料、丝绸酸性染料

I'm interested in sourcing a trial sample of your Shiny Black Crystal Nigrosine Acid Black product. Specifically, I would like to request a quantity of 1kg. It would be great if you could provide detailed information on the availability, pricing, and lead time for shipping. Additionally, if there are any specific instructions or considerations regarding the handling and application of this product, please include those as well. Furthermore, I would appreciate it if you could share any relevant technical data sheets or specifications that could help in assessing the suitability of this product for our intended use. Looking forward to your prompt response, as this sample will play a crucial role in our evaluation process. Thank you!