Will the stones fade or dissolve in water?

No. The stones are color-stable and non-soluble, suitable for long-term outdoor use and water filtration systems.

How do you ensure consistent quality?

We own our limestone quarry and two production plants. Each batch is tested for particle size, whiteness, and CaCO content. COA and test reports are provided for every shipment.

Decorative Cheap Stone for Garden Apartments and Building Use

Name: Decorative Cheap Stone for Garden Apartments and Building Use
Brand: Changshu Hongyu Calcium Co., Ltd.
SKU: 1981850791

Jiangsu, ChinaChangshu Hongyu Calcium Co., Ltd.

US$105.00-199.00

24 Pieces

Sample price:US$7.00/kg.Request sample

Product profile

Customization

Available

Warranty

Material

Natural Stone

Surface Finishing

Polished

Color

White

Usage

Paving, Decoration, Landscape

Type

Sand

Stone Form

Cut-To-Size

Sandstone Type

Litharenite

Sand Particle Size

Customer Specified

Application

Landscaping, Decorative Paving, Aquarium Filter, C

Process

Crushed Sieved Washed Dried Packed

Shape

Rounded / Crushed

Transport Package

Bag/Ton

Key features

Customizable Particle Size: Available in 3-6mm, 6-12mm, 12-20mm or fully customized to project needs.

Versatile Applications: Ideal for landscaping, aquarium filtration, architectural decoration, and construction.

Durable and Weather Resistant: Mohs hardness 3.0 ensures resistance to crushing, fading, and weathering.

Eco-Friendly and Non-Toxic: 100% natural, chemical-free, safe for gardens, ponds, and water systems.

40 Years Manufacturing Experience: Backed by a company founded in 1984 with vertical integration from mining to processing.

Strict Quality Control: ISO and SGS certified with in-house testing for whiteness and particle size.

Flexible Packaging Options: Available in 25kg bags, 1.25-ton jumbo bags, or bulk loading for large projects.

Company profile

Changshu Hongyu Calcium Co., Ltd.

Jiangsu, China

Business Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2023-09-02 CertifiedNearest Port: Shanghai PortAverage Response Time: ≤1.36h CertifiedTerms of Payment: LC, T/T, PayPal, etc.

AI-Powered supplier vetting

SummaryChangshu Hongyu Calcium Co., Ltd. is a China-based manufacturer of calcium oxide, calcium hydroxide, and environmentally friendly lime, established in 1984. The supplier reports ISO9001:2015 certification, multiple production lines, substantial stated annual output, export activity, and applications across petrochemical, lubricant, environmental, sewage-treatment, and related industries. It states that products can be organized according to customer requirements and that delivery can be ensured, but the evidence does not independently verify these claims. Information on after-sales service, financial credibility, and customer case details is limited. The provided records also contain inconsistencies in reported production-line count and quality-control staffing, so operational figures should be verified.

Supplier typeThe supplier is explicitly identified as a manufacturer and operates in chemicals, producing calcium oxide, calcium hydroxide, and environmentally friendly lime. Its legal and operating information places it in Changshu, Jiangsu, China.

CertificationsThe supplier reports holding an ISO9001:2015 management-system certificate. The slice does not provide the certificate number, validity period, or issuing body, but it is explicit evidence of certification.

Production capacityThe supplier reports a 4,000 m² manufacturing plant, three processing lines producing more than 100 tons of lime products per day in one description, five production lines in another record, and annual output of 100,000 tons each for calcium oxide and calcium hydroxide. These figures support substantial production capability, although the differing line counts should be verified.

Customization capabilityThe supplier explicitly states that it can organize required varieties according to users’ different product-quality requirements and deliver on time. This directly supports customization capability, although no examples, technical limits, or validation records are provided.

Product Q&A

Q:Are your calcium pebbles natural? Any chemical additives?

Our pebbles are made from natural high-calcium limestone with no chemical additives. They are 100% safe, non-toxic, and environmentally friendly.

Q:What are the main applications?

Landscaping and garden decoration, pathway and ground paving, aquarium and pond filtration, architectural and public landscape projects, glass manufacturing, and industrial flux.

Q:What is the chemical composition?

Our material is high-calcium limestone.

Q:What packaging options are available?

We offer: 25 kg PE-lined woven bags, 1.25 ton jumbo bags with moisture-proof inner liner. Both options are export-ready and suitable for container loading.

Q:How many tons can be loaded in a container?

20GP: approx. 25 metric tons, 40HC: approx. 27 metric tons.