Sonka Company offers high-quality products and outstanding OEM service.

HQPA stands for High Quality Product Assurance!

Sonka center joint seal kits have great performance on sealing the oil and have long life time.

And it wins long-term relationship with many foreign companies. People like to choose the seals of Sonka Company after their first trial order.

Before you change the center joint seal kits, you should know center joint leaks can be internal or external. You probably won’t know you have an internal leak in the swivel joint until you notice a loss of power in the travel motor(s). That is part of what makes diagnosing a center joint problem so hard.

Related hot sales parts as follows:

1. Gear box and Gear box parts
2. Engine parts
3. Clutch parts (Clutch disc, clutch cover, release bearing)
4. Rubber parts( Bushing, Mounting, Belt)
5. Switch and sensor
6. Body parts

Why choose us?

1. Reliable quality
2. Fashionable design
3. Resonable price
4. Safety packaging
5. Short lead time
6. One-Stop service

SERVEICE
1. You may email us if you have a question or would like to submit a comment.
2. Generally, email will be responded to within 24 hours; except on every Sunday and holidays. We will reply as soon as we back in office.
3. Though we pride ourselves on fast order processing and shipping, sometimes delays may occur. Please be patient, and keep in touch with us via email.

Should you be dissatisfied with our service for any reason, please contact us.

FAQ

Q1. What is your terms of packing?
A: Generally, we pack our goods in neutral boxes and brown cartons. If you have legally registered patent, we can pack the goods in your branded boxes after getting your authorization letters.

Q2. What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery. We'll show you the photos of the products and packages before you pay the balance.

Q3. How about your delivery time?
A: Generally, it will take 30 to 45 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.

Q4. Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery.

Q5. What is your terms of delivery?
A: FOB

Q6. Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.

Q7. What is your sample policy?
A: We provide free samples, but the customers have to pay the courier cost.

Q8. How long is the warranty?
A: 1 year .

Guangzhou Sonka Engineering Machinery Co., Ltd.

Location: Guangzhou, China

Business scope:excavator spare parts

Fit for machine model brand: Komatsu, Hitachi, Kobelco, Kato, Cat, Daewoo, Sumitomo, Hyundai, Volvo

Start

Sonka Company grew out of Global Engineering Machinery.

Time back in 2009, a spare parts shop named GLOBAL ENGINEERING MACHINERY established in Guangzhou City. Soon but stably, it sold its spare parts to more than 30 cities in domestic China in the same year, with the fame spreading far and wide, for the good product quality and service.

At that time the shop mainly sold mainly in seal and seal kits lines: excavator seal kits, loader seal kits, bulldozer seal kits, breaker seal kits and other construction machinery-related seals.

Growing

To meet customer’s growing needs on seal kits, in 2013, a new company named Guangzhou Huanqiu Seal Technology Co. LTD was set up to handling the seal factory. Factory manufactures all kinds of seals for construction machinery.

It then lay solid foundations for oncoming development.

HQPA stands for High Quality Product Assurance!

Expand

With rich experience and established technique, customers are satisfied with our seal kits for high quality and good performance.

And we would like to share these seal kits with the world outside China. In the year of 2014, we creates the Guangzhou Sonka Engineering Machinery Co. Ltd, a branch trading company, to deal with all the oversea business.

Prospect

In the year 2020, Sonka Company will upgrade our brand. We will set up Management Service Center in the oversea market to promote our uniform brand all over the world.