FAQ

We are a professional manufacturer of air compressors and nitrogen generators. We act as the Guangdong branch of Shanghai Bokesuolan Energy Saving Technology Co., Ltd., with multiple subsidiaries covering the whole Chinese market.

Our standardized production base is in Guangzhou. Marketing & service centers are set in Dongguan and Foshan. Total factory area exceeds 20,000 m².

Our annual production capacity reaches 40,000 units of air compressors, supporting stable bulk orders.

Yes. We have a team of senior engineers specializing in compressed air and nitrogen generation technology, supporting independent R&D and customized solutions.

We supply full series screw air compressors and industrial nitrogen generators. Air compressors include fixed-speed, PM VSD, two-stage PM VSD, low-pressure and portable models.

All our PM VSD air compressors have obtained China National Grade 1 Energy Efficiency Certification, delivering outstanding energy-saving performance and stable running.

Widely used in electronics (laser welding, cutting, 3D printing, wave soldering), chemical, petroleum and food processing industries.

Yes. We can design matched nitrogen systems according to your air flow, pressure and nitrogen purity requirements.

Yes. We provide modular integrated air compressor solutions combining compressor, air tank, refrigerated dryer and precision filters for plug-and-play installation.

Yes. We offer customized high-pressure VSD air compressors with adjustable pressure from 10 kg to 16 kg.

Yes. We accept OEM orders with customized logo, color, control panel and configurations. Non-standard customized equipment is also available.

Please share required air flow, working pressure, local voltage, application industry and special requirements such as noise, temperature or nitrogen purity.

MOQ is 1 unit for standard machines. MOQ for OEM customized orders is negotiable based on specific requirements.

Our PM VSD compressors hold National Grade 1 Energy Efficiency Certificate. We can provide CE documents, test reports and export certification upon request.

Every machine undergoes strict factory inspection and running tests. We implement standardized production procedures and adopt top-tier energy-saving core components.

We accept T/T and L/C. Normally 40% upfront deposit before production, balance paid before shipment.

We support EXW, FOB Guangzhou/Shenzhen and CIF destination port.

7-15 working days for standard models. Customized equipment requires 15-25 working days according to project complexity.

Export-grade fumigation-free wooden cases with shockproof and waterproof protection, suitable for sea freight and air transport.

Yes. We supply commercial invoice, packing list, certificate of origin and other documents to support customs clearance.

1-year warranty for complete machine; 2-year warranty for core components (air-end, permanent magnet motor, inverter). Consumable spare parts are excluded.

Yes. We supply English user manuals, maintenance guides and operation video tutorials with each order.

We provide one-on-one remote technical support, parameter adjustment guidance and troubleshooting online.

We offer remote video guidance for installation and commissioning. Overseas on-site service can be discussed for large projects.

Yes. We maintain stable spare parts supply for long-term after-sales support.

You can send us your total air consumption, working pressure and equipment list, our engineers will recommend the most suitable model.

Yes. Our PM VSD compressors support multi-unit parallel linkage control for large gas demand.

To get clean dry compressed air, we recommend matching refrigerated dryers and multi-stage precision filters. Integrated all-in-one units are available.

We support customized voltage (380V/400V/415V/220V, 50Hz/60Hz) to match different countries’ power grid.

Absolutely. We provide complete industrial gas solutions from compressed air equipment to nitrogen generation systems for global industrial clients.

Yes, you are warmly welcome to visit us. We have a production base in Guangzhou (Guangdong Yili). Our parent company Shanghai Bokesuolan Energy Saving Technology also has facilities in Shanghai. Please inform us in advance so we can arrange reception and factory tour schedules.

We regularly participate in domestic and overseas industrial machinery exhibitions for air compressors and nitrogen generators. Please contact our sales team to get our latest exhibition schedule.

Yes. We can arrange inland trucking to deliver goods to your designated warehouse in Guangzhou. Relevant inland transportation cost needs to be confirmed separately according to location.

Free spare parts will be offered only for quality issues covered under official warranty. Consumable parts (filters, oil, drain valves etc.) are not provided free of charge. We can offer spare parts at favorable cost prices for long-term cooperation.

It takes approximately 40–60 minutes by car from Guangzhou Baiyun Airport to our Guangzhou production base. We can arrange pick-up service for visiting customers.

We are actively recruiting global distributors and agents. If you have stable local industrial customer resources and professional after-sales service capability, please send us your company profile, market plan and contact information. We will discuss agent policies, price support and marketing cooperation details.