• The raw materials, premium polypropylene (PP)/polyethylene (HDPE), have excellent physical and chemical indicators and very good pressure-resistance, impact-resistance and acid and alkali resistance. PP materials can undergo autoclave sterilization at 121℃ ; HDPE can be stored at -80℃. • A full range of choices to meet different packaging and storage requirements. • Washing-free, no need for tedious pre-cleaning processing work, ready to use, greatly improves the packaging effect of users. Thickened middle packaging to ensure transportation and storage safety. • Use of professional leaking-proof design for bottle mouth, with no need for inner cover or inner gasket for protection, excellent sealability. Guarantee of being 100% leaking-proof to ensure safety even during air transportation; wide-mouthed design for easy access of liquid. • No biotoxicity, pyrogen-free, DNAse/RNAse-free, manufactured in a 100-thousand grade clean plant. The sterile plastic bottles are sterilized using GAMMA-ray. • Introduction of imported digital-controlled production equipment with high precision; the products have fine details and comfortable touch, the body walls of which are even with high gloss, with no color difference; high uniformity between different batches. • With respect to the process, high-class molding technologies and surface processing technologies are used, leading to smooth interior and exterior surfaces of the plastic bottles without wicking effect of reagents, subsequently significantly reducing sample wastage; the products have high interchangeability with imported ones, can be used to replace the imported ones.