肯尼亚采购需求：螺栓、螺母、螺钉、垫圈、锚栓、螺纹杆

I'm looking to gather more details about your offerings, particularly in terms of specific fastener types. Could you provide insights on the pricing per tonne for various grades? I'm especially interested in standard dimensions and specifications that suit my needs. Additionally, if possible, please send your response via WhatsApp for quicker communication. Your prompt feedback would be greatly appreciated as it will assist me in making informed purchasing decisions. Thank you!