A hydraulic main pump seal kit is used to seal the hydraulic oil, preventing oil leakage from the main pump, make sure the main pump to maintain the proper pressure environment.
Features:
1). Excellent durability and flexibility in using.
2). Specially designed cords enhance durability and length stability.
3). Excellent in resistance against heat,oil and wear..
4). Show stable in high speed rotation.
5). Resistant to heat, oil, fatigue, aging and friction due to excellent and special frame
6). Large power, high speed, long service life, small distortion, less space occupying

We are dealing with all kinds of excavator parts like seal kits, engine parts, hydraulic parts.

Seal kit:
hydraulic pump seal kit, swing motor seal kit, travel motor seal kit, boom cylinder seal kit, arm cylinder seal kit, bucket cylinder seal kit, center joint seal kit, control valve seal kit, adjust seal kit, pilot valve seal kit, gear pump seal kit......

Hydraulic parts:
Cylinder block, valve plate, piston, set plate, ball guide, shoe plate, gear pump, cam rocker, cradle, drive shaft, servo piston, servo piston pin, center pin, coil spring, regulator and so on.

Guangzhou Sonka Engineering Machinery Co., Ltd.

Loion: Guangzhou, China

Business scope:excavator spare parts

Fit for machine model brand: Komatsu, Hitachi, Kobelco, Kato, , 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.