中国香港采购需求：干壁钉，黑色干壁钉，石膏板干壁钉，石膏板干壁钉，粗螺纹黑色磷化干壁钉，干壁钉

I hope this message finds you well. I'm interested in your products and would really appreciate it if you could provide me with more detailed specifications. Understanding the key features, materials used, and dimensions would help me evaluate your offerings better. Additionally, if you have any documents or brochures available that outline the product performance or any certifications, that would be great to receive too. This info will be essential as I finalize my procurement decisions. Thanks in advance for your assistance!