- CEO
- Heng Wang
- Full Time Employees
- 68
- Sector
- Industrial services
- Industry
- Engineering & construction
- Address
- Singapore Singapore
- IPO Date
- Nov 1, 1999
- Business
- Sapphire Corporation Limited is a Singapore-based investment management and holding company specializing in infrastructure engineering, urban development, and specialist engineering services. Founded on November 26, 1985, and headquartered in Singapore, the company operates primarily across the People's Republic of China, Southeast Asia, South Asia, and Australia. Sapphire Corporation structures its core operations around infrastructure development, urban redevelopment, equipment leasing, and resource-related services.
The company delivers a diversified suite of infrastructure and engineering solutions, primarily through its major operating subsidiary, Ranken Railway Construction Group Co., Ltd., and specialized mining unit, Mancala Holdings Pty Ltd. Its core products and services include: integrated engineering, procurement, and construction (EPC) services for rail transport systems, metro transit networks, and high-speed railway lines; civil engineering and construction of underground tunnels, metro stations, expressways, highways, and bridges; municipal infrastructure construction, comprising water conservancy, wastewater treatment facilities, and environmental protection projects; urban redevelopment and commercial property management services; leasing of heavy construction machinery, industrial equipment, and warehousing facilities; and specialist mining engineering services, including raise boring, shaft excavation, mechanized development, and underground contract diamond drilling. The group primarily serves government transit agencies, municipal planning authorities, state-owned infrastructure enterprises, and natural resource extraction corporations.
In recent corporate developments, Sapphire Corporation has executed strategic capital management initiatives, expanded its technical holdings, and advanced its overseas EPC bidding activities. In 2025, the company completed the full payment of unpaid registered capital in Ranken Railway through its subsidiary Chengdu Kai Qi Rui Business Management to strengthen the subsidiary's balance sheet for large-scale engineering contracts. In January 2026, the group broadened its technical enterprise footprint through its indirect subsidiary Chengdu Fanmu Technology Co., Ltd., which acquired a 100 percent equity interest in Sichuan Shengshi Yuda Technology Co., Ltd. Internationally, Ranken Railway has pursued cross-border public-private partnerships and municipal infrastructure tenders, including joint venture participation in the Lahore Wastewater and Drainage Management Project in Pakistan. Operationally and administratively, the company completed a RMB 93.3 million capital reduction distribution to shareholders, adopted an updated corporate constitution, and reconstituted its board committees with new leadership appointments focused on governance, audit, risk oversight, and long-term strategic restructuring.