WorkVenture gives you an inside look at what it's like to work at LOR CHING TONG OXYGEN & ACETYLENE Co., Ltd., office & team photos, reviews and more. This is the LOR CHING TONG OXYGEN & ACETYLENE Co., Ltd. Company Page. All content is posted anonymously by employees currently or previously working at LOR CHING TONG OXYGEN & ACETYLENE Co., Ltd..Apply to Woody WorldApply to AlephApply to Market ConnectionsApply to WV