COE vs NCSM Comparison

51 Talk Online Education Group is an online education platform in China, with core expertise in English education. The company's mission is to make quality education accessible and affordable. It's online and mobile education platforms enable students across China to take live interactive English lessons with overseas foreign teachers, on demand. The Group operates in seven principal geographical area: China, Hong Kong, Philippines, Singapore, Malaysia, Thailand and Saudi Arabia.

NCS Multistage Holdings Inc is a provider of engineered products and support services that facilitate the optimization of oil and natural gas well construction, well completion, and field development strategies. The company provides its products and services to E&P companies for use in onshore and offshore wells, predominantly those drilled with horizontal laterals in unconventional and conventional oil and natural gas formations. It also provides tracer diagnostics services and sells products for well construction including casing buoyancy systems, liner hanger systems and toe initiation sleeves, along with certain complementary products from third parties. The company operates in the United States, Canada and other countries, with the majority of its revenue generated from Canada.