DS2 DSIP Top rated Factory direct On-sale now After Sales Assured

                                      Sales manager:Evelyn
                                 whatsapp：+1 608 209 3424
                                      Email:Sales03@adsh.top

DSIP is considered a sleep-promoting substance. It has a regulatory effect on sleep and wakefulness functions, and its activity is higher when sleep is disturbed.

Company Introduction
Shanxi An Da Si Hai Technology Co., Ltd. is a professional manufacturer of various peptide products and chemical raw materials.
We have a dedicated R&D team and a reliable, efficient logistics team to ensure you receive high-quality products safely and promptly. Our customers come from countries including the United States, Europe,
Europe, Japan, South Korea, and India. Most of our main products are in stock and ready for immediate shipment. Please let us know the specific quantity you need, and we will offer you the most competitive price. Feel free to contact us for more information.

We offer various types of peptides，are widely used in life science research, drug discovery, cosmetics, anti-aging medicine, and functional health industries.about the peptides，we can provide the good quality，the good price.Customers who have ordered our products（peptides）have had very good feedback.
World wide relaible buyers can contact us about the peptides.

1. Superior Product Quality

Product quality is the foundation of our business. Peptides are synthesized using solid-phase peptide synthesis (SPPS), then purified through HPLC and confirmed by mass spectrometry (MS).

Each batch includes a Certificate of Analysis (COA) with key data:
• Purity (HPLC)
• Molecular weight (MS)
• Water content
• Residual solvents
• Microbial limit (if applicable)

For clients with higher regulatory demands, we also provide third-party testing reports, endotoxin (LAL) data, and stability studies upon request.

2. Customization & R&D Support

We offer flexible custom synthesis services, supported by an experienced R&D team. Whether you’re looking for novel peptide sequences, cosmetic-grade purity, or modified molecules (e.g., PEGylation, acetylation), we can deliver high-quality results on time.

Our services include:
• Custom peptide synthesis (mg to kg scale)
• Peptide modifications and labeling
• Small molecule synthesis
• Project-based research and scale-up

We work closely with our clients to ensure technical feasibility, fast delivery, and cost control throughout the development cycle.

3. Wide Product Portfolio

We supply a comprehensive and expanding product range:
• Peptides: GLP-1 analogs (e.g., Semaglutide, Tirzepatide, Retatrutide), cosmetic peptides (e.g., Acetyl Hexapeptide-8, Matrixyl), anti-aging peptides, research peptides.
• Small Molecules: Nootropics, NAD+ boosters (e.g., NMN, NR, NADH), and intermediates.
• Biochemicals: Amino acid derivatives, enzyme co-factors, custom reagents.

New products are launched regularly to meet evolving market needs. We also support batch reservations for clients with ongoing or seasonal demand.
4:FAQ

Q1:Are you a supplier or a manufacturer?
A:We are both a supplier and a manufacturer.

Q2:How will you deliver the goods?
A:We have strong cooperation with DHL, TNT, UPS, FEDEX, EMS, China Air Post. For container products, we can do sea shipping. You also can choose your own shipping forwarder.

Q3:Which kind of payment terms do you accept?
A:, Bitcoin, PayPal.USDT.

Q4:How is the after-sales service?
A:We will provide high-quality products and ensure 100% safe deliver.

Q5:how can we guarantee quality?
A:We will send you a COA (Certificate of Analysis) to you first for you to confirm the quality.

Q6: How to confirm the Product Quality before placing orders?
A:You can get free samples for some products, you only need to pay the shipping cost or arrange a courier to us and take the samples. You can send us your product specifications and requests,we will manufacture the products according to your requests.

Q7:Is there any discount?
A:Yes, for larger quantity, we always support with better price.