continue to improve, to ensure product quality in line with market and customer standard requirements. Our company has a quality assurance system have been established for test tube plastic, Petri Dish 100mm , Serological Pipette , Petri dish with count ,Plastic Pipette Dropper . All prices depend upon the quantity of your order; the more you order, the more economical the price is. We also offer good OEM service to many famous brands. The product will supply to all over the world, such as Europe, America, Australia,Berlin , Denmark ,Malaysia , Danish .Our company has already have pass the ISO standard and we are fully respect our customer 's patents and copyrights. If the customer provides their own designs, We will guarantee that they will be the only one can have that products. We hoping that with our good products can bring our customers a great fortune.