Please tell HUILIN the technical specifications of nitrogen purity, flow rate, pressure, etc. that you need, and HUILIN will help you choose the suitable model. Or provide your email so that HUILIN can send you an email.
In general, various industries have the following requirements for nitrogen purity:
Laser cutting: 99.99% -99.999%
Lithium battery manufacturing (injection, glove box, baking): 99.99% -99.999%
Food packaging preservation, beverage/beer bottle filling and blowing: 99.5% -99.9%
Metal heat treatment (annealing, protective atmosphere): 99.99% -99.999%
Powder metallurgy sintering: 99.99% -99.999%
Pharmaceutical packaging and material protection: 99.9% -99.99%
Inert protection of chemical reaction kettle and sealing of solvent storage tank: 99.9% -99.99%
SMT electronic soldering reflow protection: 99.99% -99.999%
Semiconductors and chips: 99.999%
Rubber and plastic extrusion oxidation prevention: 99.5% -99.9%
Oil tank and pipeline purging and replacement (oil and gas): 99.5% -99.9%
Chemical fiber: 99.999%
Conversion between nitrogen purity and oxygen content
99.5% N₂ → O₂ ≤0.5%（5000ppm）
99.9% N₂ → O₂ ≤0.1%（1000ppm）
99.99% N₂ → O₂ ≤0.01%（100ppm）
99.999% N₂ → O₂ ≤0.001%（10ppm）

Yes, HUILIN have a professional team of engineers to provide on-site installation guidance for users. However, most customers can install it themselves. HUILIN have detailed installation guidance documents, including pictures, videos, etc., and can also provide remote guidance through WhatsApp, WeChat, and other channels. Upon delivery of the equipment, HUILIN Company will provide comprehensive technical documentation, primarily including: general layout drawings, electrical schematic diagrams, P&D process flow diagrams, and user manuals.

The design service life of HUILIN nitrogen generator is 20 years, and the service life of molecular sieve is more than 10 years. The cylinder of HUILIN nitrogen generator can automatically compress the molecular sieve, ensuring that the molecular sieve will not turn into powder during long‑term operation. HUILIN nitrogen generator is equipped with a complete compressed‑air purification system, including gas‑water separator, multi‑stage filters, dryer and activated carbon oil remover. It thoroughly removes impurities such as water, dust and oil molecules in compressed air, and ensures that the service life of carbon molecular sieve can reach more than 10 years.

Yes, HUILIN holds certificates such as CE and ISO9001. Thanks to HUILIN Company's strict design and management standards, it can also obtain various required certificates according to users' needs.

Yes, HUILIN can customize products according to customer requirements. The standard for HUILIN pressure vessels is GB. ASME or PED customizations are also available upon customer request. HUILIN can customize equipment compatible with local power supply standards based on the power specifications of the user's location. HUILIN can customize explosion‑proof nitrogen generators with different explosion‑proof grades and provide explosion‑proof certificates.

HUILIN Company boasts extensive logistics experience, and its equipment is used in more than 100 countries across the world. The equipment of HUILIN Company features reliable packaging to ensure long‑distance transportation. HUILIN Company has professional and dependable logistics partners that can offer professional services for various transportation modes including sea freight, land transportation and air freight. HUILIN’s professional foreign trade team can swiftly provide professional documentation: invoices, packing lists, bills of lading, Certificate of Origin (CO), SABER (Saudi Arabia), PVOC (East Africa), etc.