About us
Formulation, production and supply under one team.
STRON is the public brand of Guangzhou Sitong Intelligent Technology Co., Ltd.. Based in Guangzhou, China, our team of approximately 120–200 people supports cosmetic formulation development, in-house manufacturing and B2B supply.
Formulation R&D
A focused development team
Our core capabilities bring together peptide-focused R&D, formulation specialists and biological research expertise.
Development workflow
Projects move through premium-market benchmarking, formulation development, pilot testing, stability testing and evaluation, and batch production.
In-house laboratory
Testing and quality support
In-house laboratory testing supports product development and production.
In-house formulation evaluation supports the development workflow.
Relevant quality documentation is available to qualified business inquiries upon request.
In-house freeze-drying
Production infrastructure in Guangzhou.
STRON products are manufactured in our own factory. Manufacturing and freeze-drying are completed in-house in Guangzhou, China, supporting consistent batch production and responsive B2B supply.
Production infrastructure
Built for scalable supply.
Production infrastructure designed to support both small-batch development and larger-volume commercial orders.
Scalable production capacity of up to approximately 300,000 units per day, depending on product specification and production scheduling.
B2B partnerships
Contract manufacturing
OEM, ODM, private label, formulation adjustment and packaging customization for distributors, brand owners and professional beauty partners.
Flexible order quantities, including small-batch projects.
Our export experience supports qualified business inquiries, with market and regulatory requirements reviewed for each destination.
Commercial value
Efficient manufacturing and direct factory supply help support competitive B2B pricing and partner margins.