ompany Ho-Chi-Minh City (Vietnam) 100.00 Evonik Wellink Silica (Napping) Co., Ltd. Nanping (China) 60.00 Insilco Ltd. GaJraula (India) 73.11 IIDA Evonik High Performance Polymers (Changchun) Co., Ltd. Changchun (China) 84.04 Laporte Industries Ltd. Milton Keynes (UK) 100.00 Laporte Nederland (Holding) B.V. Amsterdam (Ne