孟加拉采购需求：二倍体西瓜种子，大号西瓜种子，二倍体西瓜种子

I'm interested in sourcing watermelon seeds for our upcoming production season. We are looking for high-quality seeds that ensure a good germination rate and overall yield. Could you provide details on the different varieties you have available? Additionally, please share your pricing, minimum order quantities, and shipping options. It would also be helpful to know the expected delivery times and any certifications your seeds possess. Looking forward to your prompt response so we can proceed with this potential order.