About 3 Trademarks found that are owned by Ma Xuechuang

Exhaust system temperature, pressure, flow sensors being parts of internal combustion engines; Engine exhaust tips; Fuel injectors; Parts of oilfield wellhead machines, namely, gate valves, ball valves, check valves, plug valves, globe valves, choke and manifold industrial pumps, pump and valve parts, pipe fittings and flanges; Transmissions, other than for land vehicles

Agates; Diamonds; Earrings; Gems; Jewelry; Charms for jewelry; Leather jewelry and accessory boxes; Necklaces; Synthetic diamonds

The wording "Automotive-leader" has no meaning in a foreign language.