Dear :May good luck bring to you.I am Ashion chen from China Liyuan Industry and trade Co.,Ltd,mainly produce glass products,including bottles,cups,gars for many usage,we have in this area for 20 years,so it may be some model you need,and no need to open the mound,so if you have some products to quotation,please contact me,i will quotation to you our best price.If you have stable supplier,no problem,i can quotation to you our price for reference,if you think it is good for your company,you can begin with small order.Any problem please let me know,i will try my best to solve,I will wait for you all the time .Thanks and warm regardsashion