published:2013-04-10 08:37:14 visits:400 source:Wuxi Huatong Pneumatic
I. Historical Development
China’s hydraulic, pneumatic, and sealing industry evolved in three phases: (1) 1950s–1960s (initial stage); (2) 1960s–1970s (specialized production); (3) 1980s–1990s (rapid growth).
Hydraulic technology began in machine tools (grinders, broaching machines) with in-house production. By the 1970s, dedicated factories emerged, producing over 1 million units annually. Pneumatics started slightly later, with commercial production from 1967. Sealing industry began with O-rings and oil seals, later developing mechanical and flexible graphite seals.
Post-1980 reforms led to centralized management under the General Components Bureau, enabling technology imports (60+ projects, including 40+ hydraulic). From 1991–1998, over ¥2 billion was invested in upgrades. Joint ventures with US, Japanese, and German firms established 50+ plants for pumps, valves, cylinders, and seals, attracting >$200M FDI.
II. Current Status (as of late 1990s)
• 1,300+ enterprises (700 hydraulic, 300 pneumatic, 300 sealing)
• Global ranking: #6 in hydraulics ($2.8B), #10 in pneumatics ($500M)
• 3,000 product types, 23,000+ specifications; 60%+ localization for major equipment
• 1998 output: 4.8M hydraulic units ($28B sales), 3.6M pneumatic units ($550M), 8B seals ($1B)
• Import dependency: ~30% market share ($2B imports in 1998)
• Gaps remain in product variety (1/3 of global), lifespan (1/2 of global), and reliability.
III. Future Outlook
Challenges: weak R&D, outdated processes, low specialization, price wars.
Opportunities: Shift from “quantity” to “quality”; focus on high-value, high-parameter products; embrace WTO competition through innovation and structural adjustment.
