SAISI (Hebei) Industrial Development Co., Ltd., as the group's parent company, coordinates bearing manufacturing, precision steel tube production, R&D and testing, international trade and industrial park operations, developing in synergy for global markets under one quality standard and one brand system.
Anchored by the parent company, four business lines — manufacturing, R&D, trade and park operation — work in close synergy. Click a card to jump to the member profile.
The group's parent company, in charge of strategy, brand operation and industrial investment — the decision-making hub of the brand family.
View ProfileSpecialized in pillow block bearing units, producing at scale on the Linxi bearing industrial base — a key force of the group's manufacturing sector.
View ProfileFocused on precision steel tube manufacturing, working in step with the group's bearing business to expand the precision metal products map.
View ProfileDedicated to insert bearings, exporting to 90+ countries and regions — the group's flagship brand for global markets.
View ProfileA shared testing and R&D platform for the bearing industry, providing testing and technical support for group members.
View ProfileConnects advanced European bearing technology, carrying out frontier R&D and international cooperation to help products go global.
View ProfileBased at the Jiangsu ports, handling the group's import & export trade and global market development, connecting overseas customers.
View ProfileRuns the group's industrial parks, providing members with quality facilities and one-stop support services.
View ProfileEight companies, each with a clear role, advancing together: headquarters for strategy, manufacturing as the foundation, R&D as the safeguard, and trade reaching out to the world.
GROUP HEADQUARTERS
As the group's parent company, it coordinates all member companies across manufacturing, R&D, trade and park operations, and is responsible for strategic planning, brand building, industrial investment and resource synergy — the hub that keeps the brand family growing.
PILLOW BLOCK BEARING · LINXI
Specialized in pillow block bearings (bearing units), the company builds on Linxi — China's "home of bearings" — with its industrial ecosystem and skilled workforce. It runs scaled, automated production lines and applies lean manufacturing and total quality management, providing solid capacity support for the group's manufacturing sector.
PRECISION STEEL TUBE
Focused on precision steel tube manufacturing, the company serves equipment manufacturers with stable material and process quality, and works in step with the group's bearing business to expand into precision metal products.
INSERT BEARING EXPORT MAKER
Dedicated to the R&D and manufacturing of insert bearings, the company is certified to ISO 9001 / ISO 14001 / ISO 45001 and holds nearly 200 national patents. Its products are sold to more than 90 countries and regions, making it the group's flagship brand for global markets.
SHARED R&D & TESTING PLATFORM
A shared platform for bearing technology R&D and inspection & testing, providing group members and industry customers with physical & chemical testing, precision measurement and process research services, and continuously improving product quality and innovation capability.
EUROPE R&D & TECHNOLOGY SHARING
A technology R&D and exchange platform based in Europe, connecting international advanced bearing technology resources. It carries out joint R&D and talent training around high-end products and frontier processes, supporting the group's product upgrades and overseas market expansion.
INTERNATIONAL TRADE
Based at the Jiangsu ports with strong foreign-trade talent, the company handles the group's export business, overseas market development and import procurement, connecting the manufacturing sector with global customers and supply-chain resources — taking "Made in China" to the world.
INDUSTRIAL PARK OPERATION
Responsible for the operation and management of the group's industrial parks, providing member companies with supporting facilities and one-stop enterprise services, and building an efficient industrial carrier platform that helps industrial clusters grow.
From R&D to manufacturing, from testing to trade, the eight members operate to one unified standard, delivering end-to-end value that customers can rely on.
One group-level quality system and one set of process standards, strictly executed by every member — so every "Z&R" product is consistent.
The Zhice platform is open to the whole family — testing resources and R&D results are shared, so innovation benefits every member.
Manufacturing and tube bases plan production together and share supply chains, improving capacity utilization and delivery efficiency.
The trading company connects overseas channels on behalf of the whole family, sharing a market network covering 90+ countries and regions.
Whether it is product sourcing, technical cooperation or channel distribution, the brand family is ready to win the future together with you — with unified quality and coordinated service.
