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Innovating Microbial Control for a Safer, Greener World

Pioneering Sustainable Biotech Solutions Since 2002

Shanghai Riqian Chemical Technology Co., Ltd.

About Us

Shanghai Riqian Chemical Technology Co., Ltd.

Luochuan Biotechnology (Shanghai) Co., Ltd. was established in 2002. The company aims to provide environmentally friendly microbial control products and safe microbial control technologies for industry, agriculture and personal consumption, and has established strategic partnerships with top 100 companies in the world.

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Shanghai Riqian Chemical Technology Co., Ltd.

Trusted Services

Your trusted ally for all service requirements, ensuring reliability and satisfaction.

Shanghai Riqian Chemical Technology Co., Ltd.

24/7 Support

Round-the-clock assistance at your fingertips, providing prompt and reliable support whenever you need it.

Shanghai Riqian Chemical Technology Co., Ltd.

Professional Team

A highly skilled and experienced group of experts dedicated to delivering exceptional results.

Our Products

Pure Quality, Pure Satisfaction

Road Milling Machine – Wirtgen W100
Road Milling Machine – Wirtgen W100
Road Milling Machine – Wirtgen W100 Manufacturer: German Wirtgen GroupModel: W100Working Hours: Approximately 4,500 hours I. Main Features 1. Flexible and Efficient Compact wheeled design for small-scale milling tasks such as pavement repair, trenching, and spot excavation High maneuverability with easy movement between job sites Milling width: Up to 1,000 mm (depending on drum model) Milling depth: 0–200 mm 2. Power System Equipped with a high-performance Deutz diesel engine for reliable operation 3. Milling Technology Features Wirtgens patented milling drum design Quick-change system for cutter heads, ensuring efficient milling and reduced tool wear 4. Ease of Control Hydraulic wheeled drive system Continuously variable speed control for precise handling 5. Environmental Protection & Maintenance Integrated water spray system to reduce dust during operation Easy-access engine compartment for quick maintenance and servicing II. Typical Application Scenarios Partial asphalt milling (e.g., removing ruts or compressed areas) Concrete surface brushing or stripping Small-scale milling jobs in municipal infrastructure projects III. Technical Parameters (Reference)   Specification Value Milling Width 1,000 mm Milling Depth 0–200 mm Operating Weight Approx. 12–14 tonnes (depending on configuration) Working Speed 0–6 km/h Transport Speed 0–20 km/h Conveyor Belt Non-foldable design
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Asphalt Paver – SANY SAP45C-8
Asphalt Paver – SANY SAP45C-8
Asphalt Paver – SANY SAP45C-8 Manufacturer: SANY Heavy Industry Group Model: SAP45C-8 Production Date: April 2021 Working Hours: 1,100 hours   I. Main Technical Parameters Specification Value Basic Paving Width 1.8 meters Maximum Paving Width 4.5 meters Working Speed 1.5–2.0 m/min Climbing Ability ≥ 20% Bucket Capacity 6 m³ Camber Adjustment Range 0–1.5% Vibration Frequency 0–25 Hz Engine Model WP4G125 Rated Power 90 kW Machine Weight 14,000 kg Transport Dimensions (L×W×H) 6,620 × 2,100 × 3,160 mm
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Wheeled Telescopic Paver – XCMG RP452L
Wheeled Telescopic Paver – XCMG RP452L
Wheeled Telescopic Paver – XCMG RP452L Manufacturer: XCMG GroupModel: RP452LProduction Date: January 2018Working Hours: 5,667 hours Main Technical Parameters   Specification Value Basic Paving Width 2.0 meters Maximum Paving Width 4.5 meters Theoretical Paving Speed 0–18 m/min Engine Type Diesel
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Polyhexamethylene Guanidine Hydrochloride (PHMG-HCl)
Polyhexamethylene Guanidine Hydrochloride (PHMG-HCl)
Polyhexamethylene Guanidine Hydrochloride (PHMG-HCl) Polyhexamethylene guanidine (PHMG) is a new generation of organic polymer antimicrobial agent. It contains no iodine, chlorine, aldehydes, or other irritating substances. It can rapidly and effectively kill bacteria, fungi, molds, and viruses present in wet wipes and provides long-lasting antimicrobial effects. Product Features: Non-toxic Colorless Non-corrosive Non-bleaching Free from heavy metal residues Odorless Non-irritating to skin [Product Advantages] Property Details Appearance Colorless to pale yellow transparent liquid Odor None Main Active Ingredient PHMG (Polyhexamethylene guanidine) Active Ingredient Content 25% Specific Gravity (20°C) 1.05–1.06 pH Value (20°C) 6.5–8.5   1. Broad-Spectrum Antimicrobial Effectively kills and inhibits a wide range of microorganisms High efficiency and long-lasting antibacterial action Microorganisms are less likely to develop resistance 2. High Safety Tested as practically non-toxic to humans and higher animals Non-irritating to skin and mucous membranes Non-corrosive to treated surfaces 3. Disinfection Standard PHMG is included in the national standard GB 26367-2020 - Guanidine Disinfectant Hygienic Standard Suitable for: Surgical hand disinfection Hygienic hand disinfection Pre-operative skin/mucous membrane cleaning Clinical cleaning and disinfection Surface disinfection of objects [Performance Indicators] Indicator Value Appearance Colorless to pale yellow transparent liquid Odor None Active Ingredient PHMG Content 25% Specific Gravity 1.05–1.06 (at 20°C) pH 6.5–8.5 (at 20°C) Water Solubility Fully soluble Volatility None Irritation None Function Antibacterial, disinfection, anti-mold   [Product Applications] PHMG is suitable for disinfection and sterilization in the following areas:   Skin and mucous membranes Fruits and vegetables Air and drinking water Swimming pools General surfaces Paper production, sanitary paper, feminine hygiene products Clothing and textiles Agriculture, aquaculture, animal husbandry Enhanced oil recovery (tertiary oil extraction)
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Polyhe methylene guanidine 99% powder
Polyhe methylene guanidine 99% powder
Polyhexamethyleneguanidine is a new generation of organic polymer antibacterial agent. It does not contain irritating substances such as iodine, chlorine, aldehyde, etc. It can quickly and powerfully kill bacteria, fungi, molds and viruses in wet wipes, and has a continuous antibacterial and antibacterial effect. The product is non-toxic, non-coloring, non-corrosive, non-bleaching, no heavy metal residue, no irritating odor, and no irritation to the skin. [Product Advantages] 1. Broad-spectrum bactericidal: kills and inhibits a variety of microorganisms, has a strong ability to kill bacteria, and is broad-spectrum, high-efficiency, and has a long-term antibacterial effect, and bacteria are not easy to develop drug resistance. 2. Good safety: It has been tested to be actually non-toxic to humans and higher animals, and is non-irritating to skin and mucous membranes; it is basically non-corrosive to the treated surface; there is no erosion effect. 3. Sterilization and disinfection: PHMG is included in the new national standard "GB-26367-2020-Hygiene Standard for Guanidine Disinfectants"---suitable for surgical hand disinfection, hygienic hand disinfection, preoperative skin and mucous membrane flushing and disinfection, and clinical skin and mucous membrane flushing and disinfection, as well as surface disinfection.
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Poly hexa methylene guanidine phosphate
Poly hexa methylene guanidine phosphate
Polyhexamethyleneguanidine phosphate is another form of polyhexamethyleneguanidine, which is widely used abroad. It does not contain irritating substances such as iodine, chlorine, and aldehyde. It can quickly and powerfully kill bacteria, fungi, molds and viruses in wet wipes, and has a continuous antibacterial and antibacterial effect. The product has the characteristics of non-toxic, non-coloring, non-corrosive, non-bleaching, no heavy metal residue, no irritating odor, and no irritation to the skin. [Product Advantages] 1. Broad-spectrum bactericidal: kills and inhibits a variety of microorganisms, has a strong ability to kill bacteria, and is broad-spectrum, high-efficiency, and has a long-term antibacterial effect, and bacteria are not easy to develop drug resistance. 2. Good safety: It has been tested as a practical non-toxic level for humans and higher animals, and is non-irritating to skin and mucous membranes; It has basically no corrosion to the treated surface; no erosion effect. 3. Environmentally friendly: It has basically no corrosion to the treated surface; no erosion effect; It can withstand high temperatures of 300℃. Easily soluble in water; the aqueous solution is non-toxic, colorless, odorless; non-flammable and non-explosive; does not contain iodine, chlorine, aldehyde and other harmful substances.
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Testimonials

What Our Client says

Shanghai Riqian Chemical Technology Co., Ltd.

Working with Luochuan Biotechnology has been a game-changer for our hygiene product line. Their PHMB-based solutions are not only highly effective but also safe for consumer use. Their consistency and innovation are unmatched.

Shanghai Riqian Chemical Technology Co., Ltd.

Testimonials

What Our Client says

Shanghai Riqian Chemical Technology Co., Ltd.

We rely on Luochuan’s microbial control products to protect our crops against fungal contamination. Their support and product performance have allowed us to reduce chemical dependency and improve yield quality.

Shanghai Riqian Chemical Technology Co., Ltd.

Testimonials

What Our Client says

Shanghai Riqian Chemical Technology Co., Ltd.

Luochuan’s polyhexamethylene guanidine disinfectants are a staple in our industrial cleaning formulas. They offer long-lasting antimicrobial action and comply with global safety standards. A truly reliable partner.

Shanghai Riqian Chemical Technology Co., Ltd.

Our Blogs

Articles & Blog Posts

Shanghai Riqian Chemical Technology Co., Ltd.

24

2025

Jun-24-2025

By Admin

Inside the Lab: How Luochuan Develops Safe & Effective Biocides for Everyday Use

Offer an inside look into the R&D process at Luochuan, hi

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Shanghai Riqian Chemical Technology Co., Ltd.

24

2025

Jun-24-2025

By Admin

Microbial Safety in Agriculture: How Luochuan’s Solutions Are Helping Farmers Worldwide

Discuss how the company’s products are protecting crops

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Shanghai Riqian Chemical Technology Co., Ltd.

24

2025

Jun-24-2025

By Admin

The Future of Microbial Control: Why Guanidine-Based Disinfectants Are Gaining Global Attention

Explore the science and advantages of guanidine series fungicides, including PHMG and PHMB, and how they ou

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