Urolithin / Urolithin B 99% Purity CAS 1139-83-9 Raw Powder 555-31-7 Aluminium Isopropoxide

Q1: How to confirm the Product Quality before placing orders?
A: By sending you our available samples. Or if you have special requirement on the goods, we can prepare samples according to your requirement and send to you for your confirmation.


Q2: Can you supply free samples?
A: Yes, we can provide some free sample, but the shipping cost should be on the customers' account. You can either pay us the shipping cost or arrange a courier to collect the samples.


Q3: What's the MOQ?
A: The minimum order quantity for most of our products is 1kg.


Q4: Is there any discount?
A: Yes, for larger quantity, we always support with better price.


Q5: How to place order and make payment?
A: You can send our your Purchase order(if your company has), or just send a simple confirmation by email or by Trade Manager, and we will send you Proforma Invoice with our bank details for your confirmation., then you can make payment accordingly.


Q6: How do you treat quality complaint?
A: All our products are strictly tested by our QC, and confirmed by QA; unqualified material will not be released to customer. In case any quality problem is confirmed to be caused by us, we will replace the goods or refund your payment immediately.

1.Top quality:
Using high quality material and establishing a strict quality control system,assigning specific persons in charge of each part of production,from raw material purchase to assembly.
2 Professional R&D Team:
Employed researchers with 15 years working experience in plant extraction industry.
3 Fast dispatch:
Most of the products are in stock. Quality below 100kgs can be delivered within 5-7 days.
4 Price advantage:
Low MOQ with competitive price.
5 Online service:
Professional team 7x24hours customer service.

Hengguan Shijiazhuang Technology Co.,Ltd   is one of the largest chemical manufactures in China. We have always been adhering to the concept of "Specialty casts quality, technology creates future", introduces advanced technology, and puts new products on the market every year. After years of careful management, the company has established a platform for benign development and strives to become a global leading professional chemical supplier.  The production capacity is more than 160,000 tons per year. Products are widely used in daily chemical, pharmaceutical, industrial, cosmetics, agriculture, disinfection and other fields. The establishment of a complete product line portfolio system effectively avoided industry risks and laid a solid foundation for the company's sustainable development. Not only did we rank among the best in the world in terms of production capacity, but also our product quality reached the international first-class level. More than 70% of products are exported to Asia, Europe, America and Southeast Asia.Shijiazhuang Hengguan has passed the ISO-9001, CE and SGS certification. Hengguan strictly supervises, controls and operates all links of production in accordance with the requirements of ISO9001, ISO14001 and GB/T-28001 to achieve the combination of social responsibility, employee health, environmental protection and product perfection.In the face of more opportunities and challenges in the future, we will be more innovative and pragmatic, and make unremitting efforts! We are willing to cooperate with colleagues from all walks of life at home and abroad to work together and seek common development! Welcome customers at home and abroad to visit us.