High-Purity Quartz Furnace Tubes: Chinese Manufacturers Speed Up Import Substitution for PV & Semiconductor Sectors-Amy
2026/06/22
Global demand for fused silica furnace tubes is soaring amid the expansion of semiconductor fabs and photovoltaic production bases. As critical high-temperature consumables for diffusion, annealing and CVD equipment, quartz furnace tubes with purity above 99.99% have long been dominated by Western and Japanese suppliers.
Benefiting from the complete quartz industrial cluster in Donghai, Jiangsu, local enterprises have achieved key technical progress in raw material purification and precision processing. Their furnace tubes feature strong thermal shock resistance, excellent chemical inertness and controllable dimensional tolerances, covering applications from 12-inch wafer manufacturing to solar silicon processing and laboratory thermal treatment.
Domestic quartz furnace tube penetration in the semiconductor field keeps rising year by year. Chinese manufacturers offer custom non-standard sizes, stable mass supply and shorter delivery cycles, helping global manufacturers lower procurement costs while diversifying supply sources to mitigate supply chain risks. Moving forward, local quartz producers will continue R&D investment in ultra-high-purity synthetic silica products to capture more shares of the global high-end quartz component market.
