<img src="/mode2_piwik/piwik.php?idsite=1" style="border:0;">

吉林省昊宇石化电力设备制造有限责任公司

Manufacturing and sales of plastic injection molding products.

Ryoka Kogyo Co., Ltd.

Manufacturing and sales of various automation control devices.

Nichiden Kogyo Co.,Ltd.

Sales of air conditioner, design, installation and maintenance of air conditioning facilities.

Ryoka Tech Co.,Ltd.

Manufacturing and sales of plastic injection molding products.

ryoka malaysia