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Sincerity Enterprise Ltd delivers high-purity fine chemicals, APIs, electronic materials, and specialty additives with precision manufacturing and global compliance standards.
Sincerity Enterprise Ltd has extensive experience focused on providing integrated development and manufacturing services for pharmaceuticals, additives, fine chemicals, electronic chemicals, and related industries.
Located in Hangzhou, China — a strategic hub near Shanghai and Ningbo ports — our facility benefits from excellent transportation access, enabling efficient global logistics and supply chain integration.
High-purity chemical compounds engineered for performance, reliability, and regulatory compliance across pharmaceutical, industrial, and electronic applications.
CAS No: 590-46-5
Carboxymethyl(trimethyl)azanium chloride. Used in pharmaceutical formulations and as a source of methyl groups in biochemical processes.
CAS No: 104-49-4
IUPAC Name: 1,4-diisocyanatobenzene. Key intermediate in polyurethane resins and specialty polymers.
CAS No: 3173-72-6
High-performance isocyanate used in durable coatings, adhesives, and elastomers requiring thermal and chemical resistance.
CAS No: 32315-10-9
Bis(trichloromethyl) carbonate. A safer solid alternative to phosgene in organic synthesis and pharmaceutical manufacturing.
CAS No: 10424-65-4
Tetramethylazanium hydroxide pentahydrate. Used in semiconductor processing and as a strong organic base in synthesis.
CAS No: 75-59-2
Widely used in microfabrication as a developer for photoresists. EPA TSCA listed with high purity specifications.
Custom Synthesis
Tailored development and scale-up of active pharmaceutical ingredient intermediates under cGMP guidelines.
High Purity
Ultra-pure solvents, developers, and etchants for semiconductor, display, and advanced electronics manufacturing.
We combine technical expertise, quality assurance, and responsive service to support your chemical sourcing needs.
Dedicated laboratory for process development, optimization, and analytical support.
Flexible production capacity from lab scale to multi-ton batches with strict controls.
Comprehensive QC protocols, COA, and regulatory documentation available.
Strategic location near Shanghai & Ningbo ports ensures fast, reliable worldwide delivery.
We specialize in APIs, fine chemicals, additives, electronic chemicals, isocyanates (PPDI, NDI), quaternary ammonium compounds (TMAH), and custom intermediates.
Yes, we provide custom development and manufacturing services for pharmaceutical and industrial clients with scalable production capabilities.
Our processes adhere to international quality standards with full analytical testing, COA, and documentation support for regulatory submissions.
Please visit the official website to contact our team for samples, pricing, and technical data sheets.
Reach out to our team for product inquiries, technical support, or partnership opportunities.
Contact: Ms. Queenie
Phone: +86-571-89081561
Mobile: +86-13588232554
Fax: +86-571-89081566
Email: [email protected]
Address: 16# Longtan Rd, Cangqian Town, Hangzhou, China
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