Topvelsun Machinery Equipment Co., Ltd. was established in 2015 as a spin-off from Zhejiang Santian Filter Co., Ltd., with a vision to expand into the broader engineering machinery parts sector. Through years of strategic development, it now operates under the STAL Group alongside several specialized subsidiaries.

As part of STAL Group, Topvelsun benefits from integrated R&D, manufacturing, and global sales capabilities, positioning the group as a diversified and professional leader in construction machinery components.

Today, Topvelsun has successfully developed patented products and obtained ISO certification, ensuring exceptional quality standards and innovation capabilities.

Mainly engaged in the sales of construction machinery, spare parts, customization and modification of the whole machine. The main products include the three STAL FILTER, the LEFONG FILTER, t STAL COMPRESSOR, the KST ALTERNATOR&STARTER, KONKONG DRILLING, TOPVELSUN Electrical Components, Various excavator engine parts, hydraulic parts, seals, heat dissipation parts, rubber parts, undercarriage parts.

With the advantages in processing technology, equipment, talents, experience and other aspects, Topvelsun independently develops and manufactures various excavator parts in strict compliance with industrial standards., Our excavator spare parts it Manufacturing and Sales can be used in common with (Komatsu, caterpillar, Hitachi, Sumitomo, Kato, Daewoo, Hyundai, SHC) and other OEM parts. The products are sold all over the country and exported overseas, such as: Malaysia, Singapore, Thailand, Russia, the United States, Brazil, the Middle East and more than 30 countries and area.

Over the years, we have always followed the business philosophy of " creating customer value", based on honesty, and quality as the norm, adhere to the direction of refinement and specialization, promote the boutique strategy, build distinctive brands, value personalized product design, and continue to carry out Technological innovation in order to maximize customer demand. At the same time, some of the company's products have passed ISO9001: 2000 quality management system certification. With the strengthening of the industry's competitiveness, the company comprehensively promotes corporate restructuring and modern enterprise management systems, and the company's overall management level And product manufacturing quality and volume have been further improved.