Anupam Heaters & Controls Pvt. Ltd. Offers Ceramic Die Heaters with Spring Loaded Clamping System. Anupam Heaters & Controls Pvt. Ltd. Is an ISO 9002 registered company. Ceramic Die Heaters with Spring Loaded Clamping System is manufactured in two halfs and provides excellent grip of the heater mounted vertically. Ceramic Die Heaters with Spring Loaded Clamping System are provided with inside cover to protect against frequent dismantling of dies. These die heaters are used for the dies of extruders and blow molding machines.