A We offer a comprehensive range of phosphate salts, water treatment agents and specialty phosphate materials, including:
 
Phosphate Salts
 
SHMP (Sodium Hexametaphosphate)
 
STPP (Sodium Tripolyphosphate)
 
TSPP (Tetrasodium Pyrophosphate)
 
TSP (Trisodium Phosphate)
 
DSP (Disodium Phosphate)
 
MSP (Monosodium Phosphate)
 
MKP (Monopotassium Phosphate)
 
Food-grade / Industrial-grade phosphoric acid
 
Water Treatment Chemicals
 
PAC (Polyaluminum Chloride)
 
PAM (Polyacrylamide – Anionic / Cationic / Non-ionic)
 
Phosphonate Scale Inhibitors
 
HEDP
 
ATMP
 
High-Temperature Phosphate Materials
 
SADP (Solid Aluminum Dihydrogen Phosphate)
 
LADP (Liquid Aluminum Dihydrogen Phosphate)
 
All products are manufactured under our ISO-standard production lines, ensuring stable quality and competitive industrial performance.

A We are a manufacturing–trading integrated enterprise.
Our production bases are located in Henan and surrounding chemical industrial zones with full equipment for:
 
Phosphate synthesis
 
Spray drying & granulation
 
High-temperature materials production
 
Blending & purification
 
Automatic packaging lines
 
Henan Sherlock Trading Co., Ltd functions as our global export center, allowing us to combine:
Stable factory production
International standard quality inspection
Professional export services
More competitive costs & more reliable delivery times
 
Customers receive factory-direct quality with complete international documentation and logistic support.

A Our typical MOQ is:
 
1 ton for most phosphate salts (SHMP/STPP/TSPP/TSP)
 
500 kg – 1 ton for MKP, phosphoric acid, PAM
 
1 ton for HEDP/ATMP
 
500 kg – 1 ton for SADP/LADP
 
We also support sample orders and trial batches for new customers or performance testing.

A Common payment terms:
 
T/T: 30% deposit + 70% before shipment
 
L/C at sight for reliable long-term partners
 
OA / DP available for key customers after credit review
 
We maintain strong banking relationships with ICBC, BOC, and CCB, ensuring safe and compliant international settlements.

A Yes. For every shipment, we provide:
 
COA – Certificate of Analysis
 
TDS – Technical Data Sheet
 
MSDS – Safety Data Sheet
 
Batch labels + QC records
 
Retained samples (24 months)
 
We can arrange:
 
SGS / BV / CIQ inspection
 
HALAL / REACH-related documentation
 
Certificate of Origin (FORM E/F/M/P etc.)

A We offer standard and customized packing:
 
Standard Packing
 
25 kg kraft bag with PE liner
 
50 kg woven bag
 
1,000 kg jumbo bag
 
For high-sensitivity materials
 
Moisture-proof lining bags
 
Double-layer packaging
 
Palletizing & shrink-wrapping
 
Customized Packaging
 
OEM printing
 
Neutral export bags
 
Customer-specified pallet types
 
All packaging strictly follows export service standards to ensure product safety during long-distance transport.

A Yes. We support FCL (full container) and LCL (less-than-container) transportation from major ports:
 
Qingdao
 
Tianjin
 
Shanghai
 
Lianyungang
 
Logistics services include:
 
Palletizing & safe loading
 
Moisture-proof container solutions
 
Dangerous goods compliance (if required)
 
Fast documentation: BL, CO, Invoice, Packing List
 
Multimodal transportation (sea + air + railway)
 
We can also consolidate multiple items in one shipment for distributors.

A Our QC system covers five stages:
 
1) Raw Material Inspection
 
Purity, moisture, heavy metals, appearance.
 
2) In-Process Monitoring
 
pH, temperature, reaction stability, solubility.
 
3) Finished Product Testing
 
ICP-OES analysis, purity, moisture, particle size.
 
4) Packaging Verification
 
Bag sealing, labels, moisture-proof protection.
 
5) Traceability & Retained Samples
 
Each batch has full QC records & samples stored for 24 months.
 
This ensures customers receive stable, repeatable and reliable quality.

A We operate under:
 
ISO9001 – Quality Management
 
ISO14001 – Environmental Management
 
SGS / BV Inspection Standards
 
CIQ and customs-cleared export system
 
Compliance reports for food-grade / industrial-grade phosphates
 
We can provide relevant documents for customer audits.

A Yes. We support customization for:
 
Purity levels (tech grade, food grade, fertilizer grade)
 
Particle size (powder / granular / micro-granular)
 
pH adjustment
 
Customized active content for phosphonates (HEDP/ATMP)
 
Customized viscosity for PAM
 
Customized Al₂O₃ content for PAC
 
OEM packaging
 
Our R&D and QC teams can modify formulas based on:
✔ customer application
✔ water quality
✔ industrial process
✔ blending requirements

A Typical lead times:
 
Phosphate salts: 7–12 days
 
PAC/PAM: 5–10 days
 
HEDP/ATMP: 7–12 days
 
SADP/LADP: 5–10 days
 
Urgent orders can be prioritized depending on factory schedule.

A Yes.
We offer 200–500 g free samples for most products.
For special materials (SADP/LADP, PAM), sample quantity is negotiable.
 
Courier cost can be:
 
Paid by customer, or Deducted from the first bulk order

A Absolutely.
We offer:
 
Tiered pricing for annual volume
 
Exclusive distributor policies for specific regions
 
Marketing & technical support
 
Priority production scheduling
 
Flexible credit terms (after evaluation)