Product Introduction

We have developed Special Composition ceramic crucible for infrared high-frequency carbon and sulphur analysis for metals and other inorganic materials. Our crucible is compatible with most induction furnace instruments available in the market.


1.What is the MOQ?
No limit to the quantity. We can offer the best proposal and solutions according to your condition.
2.Can I get samples from your factory?
Yes, sample is free, but the express charge is yours.
3.What is the standard of package?
Export standard package or special package according to customer requirement.


1.Philosophy:With excellent quality, firt-class service, honest business
2.History:We are a company combined with R&D, production and sales wholly,
3.Price:Our products compare favorably with other traders.
4.Quality:We have passed IS0 9001:2005. standard, stable,reliable

About XTL

Liling Xing Tai Long Special Ceramic Co., Ltd. was established in 1997, specializing in research and development, manufacturing fire assay crucible and cupel. The products are used for precious metal analysis, mining laboratory testing, mineral assaying, and gold assaying. Fire assay crucibles material is fireclay mixed with other refractory materials, they can withstand temperature up to 1300℃. They have excellent resistance against flux attack, erosion, cracking, and thermal shock. As a powerful professional manufacturer of fire assay crucible with cupel, we have 7000 square meters new factory building with the automatic production line. The company always adheres to quality survival, innovation, and development, the integrity of the brand, to protect and thoughtful after-sales service enterprises as the goal. Over the years, our products are sold well all over the country and exported to Germany, the United States, Brazil, Russia, Mexico...more than 20 countries, product quality, and service are highly praised by customers. “Superior quality, preferential price” is our management tenet. we sincerely expect to cooperate with the masses of domestic and foreign customers, common development! Welcome to visit and investigate of our company.

Execution standard: Q/CHEXOO1-2006

Package: 1000pcs each box

Shape dimension: 24*24mm  25*25mm  26*26mm

Origin: Hunan China

Quotation: USD65(F.O.B)/Box



The special crucible for infrare highfrequency carbon and sulfur analyzer is widely used in steel, metallurgy, oil, machinery manufacturing, science research and so on.


Main features:

(1). The low blank-point of carbon and sulfur in our crucibles.

C%:  0.0002-0.0003%   S%:  0.0002-0.0003%

(2). There is no crack when it is using, and it can be used for more than three times repeatedly without leakage. 

(3). Beautiful design and attracting appearance.


Material :

SiO2 80%   Al2O3 20%




Ceramic Crucible:

528-018 Ceramic Crucible 1000/box

528-018HP 0 sulfur Blank 1000/box

528-050 Ceramic Crucible 500/box, bags of 50



1, Inner package's type: plastic bottle

2, Payment terms: The Buyer shall pay the total value to the Sellers in advance by T/T or paypal before delivery.

3, Export Package: carton packing

4, Delivery time : within a wee

Technical Parameters

Carbon and sulfur crucible
MaterialSiO2 80%   Al2O3 20%
Appearancecylindrical, with a convex top
Dimensions24 × 24mm; 25 × 25mm (GM) ± 0.5mm

Product Information


Company Advantages

Price:Our products compare favorably with other traders.
History:We are a company combined with R&D, production and sales wholly,
Group:We have our own team to research, design, produce and sell.

Certifications and Patents


Frequently Asked Questions about Graphite Crucible


Why us?        


* Professional manufacturer since 1997.
* Strict quality control on production process and tolerance.
* Free samples available
* Customized production based on your drawing or specification
* On-time delivery and reliable support and service
* Inventory available for quick shipment
* We keep confidentiality of all the drawings and business information between us.


Are you a trading company or a manufacturer?     


* We are a manufaturer. 


Can you provide the free samples?      


* Yes,we can offer free sample if we have it in stock,but the courier fee is to be collected.


Do you accept customized production based our specification?   


* Yes,we offer OEM and ODM service. Just send us your drawing if you have it. If you don’t have a drawing, just tell us your idea, we will work out the drawing for you.


What's the delivery time?      


* 7 working days for standard products 30 days for customized product.

If you have another questions,please feel free to contact us.

Liling Xing Tai Long Special Ceramic Co.,Ltd

Contact: Fanny

Tel: +86 13975373343


Email: admin@llxtl-china.com    


Company address: Shentan Industrial Zone, Liling, Hunan, 412200

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Contact Us
Take advantage of our unrivaled knowledge and experience, we offer you the best customization service.

Leave A Message

The first thing we do is meeting with our clients and talk through their goals on a future project.
During this meeting, feel free to communicate your ideas and ask lots of questions.
They are all manufactured according to the strictest international standards. Our products have received favor from both domestic and foreign markets.
They are now widely exporting to 200 countries.

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