Dongguan Square Film Photoelectric Co., Ltd.

High-tech Biotechnology Enterprise
Our company is a high-tech biotechnology enterprise integrating peptide R&D, customized synthesis, large-scale production, and global sales. We are located in Dongguan and specialize in developing and manufacturing a full portfolio of bioactive peptides for cosmetics, health food, dietary supplements, pharmaceutical intermediates, and life science research sectors.

Supported by a 5,000sqm Factory
Our factory covers a production area of over 5,000 square meters and is equipped with independent GMP-compliant clean workshops, standardized synthesis lines, professional analytical laboratories, and dedicated cold-chain storage warehouses. After years of technical development, we have mastered solid-phase peptide synthesis, liquid-phase synthesis, microbial enzymatic hydrolysis, and green purification technologies. We are capable of producing peptides ranging from milligram-scale lab samples to multi-kilogram commercial bulk orders, all with stable batch-to-batch consistency.

Contact us now to place your orders.