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Phosphate Buffer Culture Medium for Sample Dilution
US$10.49-16.14
10 pieces

Product profile

Customization

Available

Color

Yellow

Function

Microbial Testing

Model NO.

022117

Appearance

Powder

Material

Powder

Feature

Light Proof Bottle Design

Transport Package

Carton

Specification

250g/bottle

Trademark

HKM

Origin

Guangdong, China

HS Code

3821000000

Key features

Trusted Manufacturer: Established in 1993 with over 30 years of experience in microbial detection.
Strict Quality Control: Rigorous inspection and sensory biology verification ensure product consistency.
Custom Packaging: Other packing options available according to customer demand for safety and efficiency.
High Purity Raw Materials: Stable high-quality main raw materials sourced from Europe.
GMP Certified Facility: Manufactured in a GMP room with a dedicated microbiological research lab.
Comprehensive Product Range: Offers dehydrated, granular, chromogenic, and ready-to-use culture media.
Professional Support: Expert guidance on handling subtle color variations and preparation issues.
International Standards: Largest culture media manufacturer in China following international standards.

Company profile

Guangdong Huankai Biology Sci.&Tech. Co.,Ltd.
Patents AwardedR&D CapabilitiesManagement Certification
CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: Guangzhou Port, Shenzhen Port CertifiedNearest Port: Guangzhou Port, Shenzhen PortAverage Response Time: ≤6.00h

AI-Powered supplier vetting

SummaryThe supplier demonstrates broad customization, R&D, ODM, OEM, inventory, and manufacturing coordination capabilities. It reports new products within the past year, an available SDK, quality assurance procedures, complaint and corrective-action procedures, and written inspection and supplier-assessment procedures. Export activity represents 21%–30% of total sales, with access to Guangzhou and Shenzhen ports and lead times within 15 working days in both peak and off-season periods. However, the supplier reports no overseas warehouse, showroom, agents, or branches, and provides overseas services in zero countries. The available information does not establish specific certifications, detailed financial strength, or identifiable customer case records.
Supplier typeThe supplier is a manufacturer and seller of experimental analytical instruments, with additional activities involving food detergents, disinfectants, fermentation-process optimization R&D, technical services, and certain food, packaging, health-food, and beverage activities. It also reports OEM service for well-known brands and valid manufacturing contracts with associated subcontractors, indicating a manufacturing-oriented supplier structure.
After-Sales capabilityThe supplier has documented and followed procedures for customer complaints and corrective and preventive actions, which supports structured after-sales issue handling. It has participated in ARAB LAB 2024 and offers overseas training, but it has no overseas agents or branches and reports overseas services in zero countries, limiting evidence of broad international service coverage.
R&D capabilityThe supplier reports new products during the past year, ODM capability, an available SDK, and independent innovation and product-technology advantages. These explicit statements support active R&D and technology-development capability.
Production capacityProduction-related evidence includes quality assurance, standardized finished-product inspection, inventory capability, valid contracts with associated subcontractors, 42 qualified suppliers, and lead times within 15 working days in both peak and off-season periods. These records indicate organized production and supply coordination capability, although production capacity volume is not stated.
Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also reports ODM service, indicating a broad range of product-development and customization options.

Product Q&A

Q:Do subtle color differences between batches affect test results?
A:
No. Slight color variations are normal due to raw material sources and storage conditions. All products undergo rigorous inspection and sensory biology verification to ensure they meet enterprise standards and do not affect test results.
Q:Why is the liquid medium hard to clot or has a long coagulation time?
A:
This is usually due to incomplete hydration. Distilled water may not have been boiled sufficiently to dissolve the agar. Agar tends to settle at the bottom; if not fully shaken after high-temperature sterilization, it leads to uneven agar content and difficult setting.
Q:Why do some E. coli colonies not show color on chromogenic medium (false negative)?
A:
About 4% of E. coli strains, including O157:H7, lack the beta-glucuronidase enzyme required for color formation. This is a known limitation of chromogenic media, similar to traditional methods, and these strains can be detected using other biochemical methods.
Q:How should the gas bag and oxygen indicator be handled during anaerobic culture?
A:
Follow the manufacturer's instructions for the gassing agent. Remove the paper bag from the plastic packaging without cutting it. Tear the outer packaging of the oxygen indicator to use it.
Q:What quality guarantee measures does the company provide?
A:
We always provide a pre-production sample before mass production and conduct a final inspection before shipment to ensure quality consistency.

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