Synthetic Camphor Market Size & Forecasts 2026-2035, By Segments (Production Method, Distribution Channel, Purity Grade, Application, End User), Growth Opportunities, Innovation Landscape, Regulatory Shifts, Strategic Regional Insights (U.S., Japan, China, South Korea, UK, Germany, France), and Competitive Dynamics (Hengshui Senhe Chemical Co., Ltd, Shandong Xinhua Chemical Technology Co., Ltd, Anhui Huaxing Chemical Industry Group Co., Ltd, TCI Chemical, Eastman Chemical Company)