Welcome to contact me :

Whatsapp / Telegram   : +8617702722109

Skype / Signal : +8617702722109

Email : sales7@hbouhuang.com

Welcome to contact me :

Whatsapp / Telegram   : +8617702722109

Skype / Signal : +8617702722109

Email : sales7@hbouhuang.com

L-histidine is an essential amino acid that plays important roles in various physiological processes in the body. Here are some key points about L-histidine:

Protein Building Block: L-histidine is one of the 20 standard amino acids and is incorporated into proteins during protein synthesis. It contributes to the structure and function of proteins.

Precursor of Histamine: L-histidine is the precursor for the synthesis of histamine, an important neurotransmitter and immune system mediator. Histamine is involved in various physiological processes, including regulating sleep-wake cycles, gastric acid secretion, immune responses, and allergic reactions.

Buffering Capacity: L-histidine plays a role in maintaining acid-base balance and pH regulation in the body. Histidine residues in proteins can act as buffers, helping to stabilize pH levels and prevent extreme fluctuations.

Metal Ion Binding: L-histidine can serve as a ligand for metal ions, forming complexes with metals such as copper, zinc, and iron. These complexes are involved in various enzymatic reactions and contribute to the activity and stability of metalloproteins.

Dietary Sources: L-histidine is found in a variety of dietary sources. Good sources include meat (particularly poultry, beef, and pork), fish, dairy products, eggs, legumes, and certain whole grains.

Essential Amino Acid: L-histidine is classified as an essential amino acid, meaning it cannot be synthesized by the body and must be obtained from the diet. It is particularly important during periods of growth and development when the demand for histidine is higher.

1. High Sealing Package , Top Quality Products , Safe and Quickly Shipping method , Tracking numbers in 3 days , Immediate after-sales service

Powder in Carton :

1. Inner plastic bags

2. Outside Aluminum Foil Bag

3. Fiber Drun / Carton （20kg - 25kg）

4. Customization is possibel 

Liquid in Carton :

1.High Sealing Plastic Bottel (100ml-25kg)

2. Outside Aluminum Foil Bag

3. Customization is possible

Transportation 100% Guarante :  

We are highly confident in our ability to deliver our products to you successfully. Over the past five years, we have achieved an impressive pass rate of 99.95% to 100% for shipments to countries such as the USA, UK, Netherlands, Canada, Australia, New Zealand, France, Germany, Spain, Belgium, Norway, Sweden, Finland, Poland, Italy, Malta, Greece, Russia, Ukraine, Kazakhstan, Slovakia, Portugal, Dubai, Czech Republic, South Africa, and more.

While we strive for seamless customs clearance, there may be occasional situations where customs procedures present challenges. However, in the rare event that we encounter any customs-related issues, we assure you that we will make every effort to cooperate and find a satisfactory resolution. To assist us in navigating customs processes effectively, we work closely with professional freight forwarders who possess extensive experience and expertise. Their invaluable support has consistently resulted in high clearance rates, achieving 99.87% over eight years and up to 99.98% to 100% clearance rates in select countries.

We understand the importance of reliable product delivery, and we are committed to ensuring that you receive your order promptly and efficiently."

We are Ouhuang Engineering Materials (Hubei) Co., Ltd. We specialize in providing a wide range of products including organic intermediates, pharmaceutical intermediates, chemical solvents, and agrochemical products. Our expertise lies in sourcing, manufacturing, and supplying these essential compounds to meet the diverse needs of various industries.

Our company mainly produces sales of building materials, building decoration materials, leasing of construction machinery and equipment, construction metal accessories, residential water and electricity installation and maintenance services, lighting fixtures, plastic products, wires and cables, hardware products, distribution switch control equipment , power electronic components, construction waterproofing membrane products, construction of metal door and window projects, labor services (excluding labor dispatch), landscaping project construction, foreign contracting projects, cement products, metal materials, construction steel products , construction machinery sales. and sells various water-based environmentally friendly resins (water-based resin powder, water-based rosin resin, water-based terpene tree, etc.), various water-based environmentally friendly latex (water-based thickened emulsion, water-based air-butyl latex, water-based butyl latex, etc.) , and various environmentally friendly additives (defoamer, thickener, antioxidant, dispersant).High-end product quality and sincere sales service are our tenets.We are willing to provide you with professional services in the areas we are familiar with and look forward to your consultation.

1. You can expect a response within 24 hours regarding any inquiries you have about our product or pricing.

2. Our commitment to stringent quality control, competitive pricing, and prompt delivery is evident.

3. Ouhuang offer complimentary samples or customized products based on specific client requirements.

4. With extensive expertise in manufacturing, sales, exporting, and shipping, we have amassed years of valuable experience.

5. Ouhuang has international business experience and dedicated after-sales service contribute to mutual growth and improvement.

6. Ouhuang prioritize friendliness, efficiency, professionalism, and honesty in all our interactions.

7. Ouhuang's aim is to provide superior products, competitive prices, and excellent services.

Welcome to contact me :

Whatsapp / Telegram   : +8617702722109

Skype / Signal : +8617702722109

Email : sales7@hbouhuang.com

1 : How do you control the quality of your products ?

Quality control testing: Ohuang implement rigorous quality control measures throughout the production process. This involves conducting regular testing and analysis to verify the chemical composition, performance characteristics, and consistency of the Polycarboxylate superplasticizers. Testing methods may include rheological tests, flowability tests, and setting time measurements.

2 : Do you offer free samples for New Client ?  Certainly! As a new client, we are pleased to offer you complimentary samples. To obtain them, please Contact  Echo Qiu with the following information:

Your name and contact details (including address).
The specific product(s) you are interested in sampling.
The quantity and any special requirements for the samples (if applicable).

Once Echo Qiu receive this information, I will process your request promptly and ensure that the samples are shipped to you at the earliest convenience. Ouhuang value your interest in our products and look forward to providing you with a positive sampling experience.

3 : Can we visit your company and factory?

Absolutely! We welcome visits to our Ouhuang company and factory. We believe that seeing our operations firsthand will provide you with a better understanding of our capabilities and the quality of Ohuang's products.

To arrange a visit, please provide us with the following details:

Your preferred date and time for the visit.
The number of visitors in your group.
Any specific areas or departments you would like to tour or focus on.