Milestones
Development Path
Key Milestones in Technology Development
2023.09
Jonkin Silicon was established.
2025.02
A 440 mm diameter monocrystalline silicon rod was successfully grown using the Czochralski (CZ) method.
2025.08
Crystal-growth recharging trials succeeded on August 20, 2025. The company profile reports an increase of over 25% in growth efficiency per furnace and a reduction in non-silicon growth costs.
2026.02
Trials of a 36-inch hot zone were completed on February 28, 2026. The company profile records the ability to grow products up to the 530 size specification, with a trial yield of up to 42% under stable process conditions.
2026.04
Development of 600 mm diameter products began.
Source: Company Profile, Jonkin Silicon
Advancing Large-Diameter Monocrystalline Silicon
Our focus is large-diameter products, an integrated technical process and continued process development. Alongside stable production of 450 mm diameter products, we are developing and evaluating processes for 600 mm and larger products.
Discover Jonkin Silicon
Explore our technical team, core business, production capabilities and plans, from large-diameter material development to manufacturing.