Group D produces rescue robots and children's toys. Their rescue robots, which cost between 3-7 million yen depending on capabilities, are designed to save lives during disasters by removing rubble and searching unsafe areas. Their toys cost 1,000-7,000 yen. Customers benefit from improved disaster response efficiency and rescue capabilities. Contact details are available on their website at http://mxsxtxkx.com and their office is located at xxxxxxx-xxxxxxxxxxxx-xxxxxxxxxxxx.