About Junwei Machinery

weichai gas generator

Does your business searching for a supplier of high quality Gas Generators?

Discover high-quality bgas generators at Junwei Machinery. We prioritize your needs, offering innovative technology, customized solutions, and superior quality. With efficient communication and timely delivery, we exceed expectations. Contact us today!

Factory Video

Weifang Junwei Machinery Co., Ltd is specializing in the production of natural gas generators, biogas generators, LPG generators and biomass generators, natural gas engines, biogas engines, LPG engines, biomass engines and so on. Our main brand is Ricardo, Weichai, Yuchai, Cummins, Deutz, Perkins, Volvo and other international and domestic famous brands, and the power ranges are from 10 kw to 1000 kw. 

Our Advantage

Weifang Junwei Machinery Co., Ltd adopt advanced technology to make product structure design reasonable and durable, low noise, low fuel consumption, fast start, and reliable performance. Through advanced automatic generator performance testing equipment, the performance indicators of generators are strictly tested to ensure that the qualified rate of products reaches 100%. 

Why Choose Junwei Machinery


10 years experience in gas generators and engines industry.


Design and manufacture high quality products with 10 R&D engineers.


Faster delivery by air or express for generator parts.(DHL or Fedex)


OEM is accepted, we can prine logo and trademark as your request.


Professional sales team to offer fast response and good service.


Full lines for generator and engine items.


5 years service experience for 50 clients from all over the world.


Timely industry news for reference. You can check them every week.

Purchasing Steps

Customer can send an inquiry on the website by filling in the form, and our salesman will quote the price to the purchaser after getting the purchase information. After the two sides confirm all the transaction details, we will make the proforma invoice to the customer. After the customer pay for the deposit according to the PI information, we will start to produce the order.

After the order has been finished producing, we will send the pictures and videos for the goods and package. Then the customer should transfer the balance payment, so that we can arrange the shipment to the customer’s country by sea.

Ask For A Quote

We will contact you within 1 working day, please pay attention to the email with the suffix “@alexerpower.com”