What is your company specialized in?

We are doing industrial gearbox and spare parts, gear wheel, pinion shaft, ball mill parts, rotary kiln parts, custom machining parts according to drawings. 

Are you a maufacturing factory?

Yes, we are a manufacturer, and also we have strong design and engineering ability.

Which countries do you export to?

We have exported to U.S.A, Canada, Malaysia, Indonesia, Russia, Lithuania, Italy, SerbiaTunisia, CZ, South Africa, Spain.

Where is your factory located?

We are located in Luoyang, China, a very famous tourit city and heavy industry cities.

What’s your Payment terms?

Payment term are negotiable and would be improved along with long term cooperate. For the first order we usually use 10-30%T/T as down payment, 70% paid before goods leave factory, we also accepte LC and others, details will be discussed.

What is your warranty terms?

Our product warranty time is 12months after takeover, and provide technical support and service all lifetime.

How do you ensure sales service?

1.Pre-sales: Provide completely offer sheet, technical support and etc. 

2.Official order confirmation be provided within 4 hours after receiving order, and provide our drawing which issued according to your drawing before machining.
Update produce status with photos and video weekly, and provide final packing photo before shipment or goods leave factory.
3.After sales: If there is a problem for the goods , we will come to you with a satisfied solution within 4 hours, or even respond
to immediately with 1hours.

What is the delivery time?

30-50 days producing time for gear, shaft and other machining parts, and 15days for gearbox design and 60 days for producing.

5-7 days by air transportation;

If by Ocean, about 5 weeks to European ports plus 1 week customs clearance, so you can get the container within 6 to 7 weeks.It takes about 2 weeks to east coast and 3 weeks to west coast US ports. Ocean port is from Shanghai or Qingdao port of China.

15-20 days to European cities by Train from Zhengzhou, China.

What is the MOQ of this product?

We offer OEM and ODM services with 1pc MOQ.

What is your trade term?

We usually do with FOB, CNF,CIF, FCA, DDU.

What information do you require to be able to quote?

PRM needs to have your dimensioned drawing and techanical requirements to quote to, if this is not possible, please provide as much of the following to quote:
Type of gear: Spur gear, helical gear, straight tooth bevel gear, worm, internal gear, etc.
Material: what are the components made of? Specify material grades, if known
Pressure Angle: this is extremely critical
Number of teeth
Face width: length of gear tooth
Overall length
Outside diameter
Bore size
Boss dimensions: if required
Heat Treatment: has the gear been flame hardened, case hardened, nitrided or through hardened?

How do you pack the product before delivery?

1- Clean the spare parts after final inspection;
2- Wipe rust-proof machine oil on spare parts includes every details surface, tooth, internal hole, threaded hole, keyway and etc. With wiping rust-proof machine oil the spare parts can be protected well without rusting, and be used or assembled directly after customer/end user receive the goods;
3- Wrap the spare parts with PP or waterproof plastic cloth, with this action the machine oil can be attached to the products body better and meanwhile protect goods from moisture during transportation;
4- Wipe the product again with another strap to strengthen the protection of the goods;
5- At last put it into plywood wooden case or steel frame;
6- The space of the case is filled with PE foam or other fillers to prevent goods from rocking back and forth during transportation.

How do you handle a customer complaint?

For Quality, Our attitude is never look for any excuse. After receiving the customer’s quality complaint, We respond immediately and quickly identify the cause of the problem, come up with a solution within four hours. It It’s our fault, We will take the responsibility to the end, If it’s not our fault, we still help customers until the problem is solved.

What does module(M) and Diametral Pitch(DP) mean?

There are the terms used to identify a gear’s tooth size:
Module is the metric system used to determine tooth size, the bigger the module the bigger the tooth.
Diametral Pitch is the imperial system used to be determine tooth size, the bigger the DP the smaller the tooth.

Why should we choose you over others?

Why should you choose to work with us is not because how good we are boasting or how cheap our product seems to be. It is because our offer bridges Your needs and our solution addresses your pain; It is because our product is able to achieve your desired result and performance; It is because our market positioning matches yours and our commitment resonates with you; It is because our competence to work out a  proposal that springs a “before Vs after” clears Your worries; It is because our market performance and customer referral allows for Your joined trust.

How many produce line do you have?

PRM factory has different machines include vertical lathes, horizontal lathes, tooth grinding machines, tooth hobbing machines, tooth shaper, drilling machines, machining centers, OD grinding machines and other machines

vertical lathes x3set, horizontal lathes x 9sets, gear cutting machine x 3sets, gear grinding machine x 2sets, OD grinding machine x1set, CNC machining x2sets,milling/drillling/boring machine x3sets and etc.

How do you ensure your product quality?

1. We fully understand the customer’s technical and quality requirements on the drawing and strictly implement them in the production process.
2. Our QC person do quality inspection from raw materials to the final completion of each process.
3. Our engineer who perform final audit checks on the packed goods prior to dispatch from China.
Details please kindly refer to  https://www.prmdrive.com/service/quality/ to see how we control our quality. 

Where can I see your product display?

You can refer t our website www.prmdrive.com or search our company in alibaba.com.

All parts are custom made according to customer’s drawings with technical requirements or samples. If you have any gear, pinion/shaft/gearshaft, gearbox, gear rim, sprocket and machining parts to be made, please feel free to send your kind drawings to us. We will provide you complete price offer with details. 

Yours sincerely,


Luoyang Primary Precision Equipment Co.,Ltd

Tel.: +86-379-60606008,                   Mobile/Whatsapp: +86 13949244876

Email: perry@prmdrive.com, info@prmdrive.com

Website: www.prmdrive.com

Wechat: perryqian                                Skype: perryglory

We are dedicated to provide you with quality products and services, welcome to inquire and order!