I'm Susan from Shen Zhen Xin Rui Plastic & Moulding factory in ShenZhen of China, we are very interested in working with you about undermentioned square caps. Xin Rui is a professional mold maker for plastic injected parts in different sizes, we owns many plastic injection machines providing high quality and efficient plastic injection service to you. Please could you browse our website www.xrmould.com for more assurance, thank you! Please don't pass by us only, contact me, you would be be impressed by our sincere service and reasonable pricing from this moment. Enclosed please find our quotation, we hope to get your kind feedback after review, thank you! waiting for your email, yours sincerely,