Electricity in China are much, much cheaper than in U.S. Also, DSv4 has access to Huawei Ascend GPUs that have native FP4 that allows all-native FP4+FP8 mixed

Electricity in China are much, much cheaper than in U.S. Also, DSv4 has access to Huawei Ascend GPUs that have native FP4 that allows all-native FP4+FP8 mixed compute that is more efficient than emulated FP4. Less so for 3rd party providers.