high quality exothermic insulating feeder riser sleeves
Why Choose Us
Our factory is
the professional manufacture of riser sleeves.
Monthly maximum output of
5 million
Free delivery of samples for trial production
Provide Customer-First Service
Provide customized riser sleeves, technical support and solutions

Straight Open
Riser Sleeves
Round Neck Down Riser Sleeves
AND angel neck down exothermic sleeves
Exothermic riser sleeve, with low density, accurate size, good exothermic effect, which is suitable for the feeding of iron casting and steel casting. It can be inserted into the sand mold after modeling or matched with the sand core and put into the sand mold. It can effectively improve casting yields and enhance the density of casting, reduce the cleaning and welding repair work.

Feature:
High exothermic property, low desity
Good insulation effect
Excellent feeding efficiency
Full range of specifications
Apply for the various molding process
Accessories support: breaker core/ cover
Q: Are you Factory?A: Definitely, we are a factory.Welcome to visit us!Q: What Parameters should I provide to you for a proper quotation?A: Application,
pore size,
dimension, color, quantity, packing requirements, trade terms.Q: How can you control your quality?
A: For each production processing, we have a complete QC system for the chemical composition and physical properties. After production, all the goods will be tested, and we have the quality certificates with ISO9001.Q:
What is your lead time?
It usually needs about 15- 20 days after receiving the PO.Q: Do you provide Samples?A: Yes, our factory provides samples for testing, pls send detailed parameters to us. (if customized, withdrawing is best) The samples will be charged or free according to the specific requirements.Q: What are the Payment Terms?A: We accept T/T, L/C, West Union, etc.Q: How can I get samples?A: We are honored to offer you the samples.Q: What about your Packing?A: We provide carton boxes, pallets, etc. OEM packing is available too.Q: Do you have R&D services?A: Yes, we have an R&D department to assist you in new
product development.Q: Does your company accept customization?A: We accept OEM service.Q: Can we visit your company?A: Yes, you are welcome to visit our company.