Hezhou Unisun Stone Co., Ltdalso trading as Hezhou Prosper Industry
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Knowledge
Forty five knowledge articles and sixty six news items sit on the company's site, all from 2018 and 2019. Most are general trade notes; the eight kept here are the ones a buyer of engineered stone, quartz, marble or granite can use, in the company's own terms, with the page and date under each.
May 9, 2019
Defines artificial stone as stone powder plus resin, extruded and cured, and lists four advantages (appearance, wear and heat resistance, colour choice, no pollution) against three disadvantages: soft, easy to scratch, poor shrinkage, and tarnishing at high temperature. Unusually frank for a maker of the material.
prosper-stone.com/info/engineered-stone-advantages-and-disadvantages-34798203.html
November 30, 2018
Compares press type slab production with block type production, noting block production uses less resin and bigger aggregate but leaves more pores. "There are two ways to produce engineered stone."
prosper-stone.com/info/production-method-of-engineered-stone-30395340.html
June 19, 2019
Consumer tests for quartz slabs: an acid soak to detect calcium carbonate filler ("If the product contains calcium carbonate, it will react with the acid and appear bubbles"), a staining test, and more.
prosper-stone.com/info/teach-you-how-to-quickly-identify-the-quality-36053225.html
May 30, 2019
Keep seams away from corners and cooktops because of thermal expansion, and mind stress concentration at corners: "If it is close to the fire or corner, There may be cracking."
prosper-stone.com/info/quartz-stone-countertop-processing-and-install-35396461.html
November 9, 2018
Grading of marble slabs into superior, first and qualified grades by dimensional tolerance, flatness, appearance defects and gloss, per national standards.
prosper-stone.com/info/marble-evaluation-method-30312043.html
November 26, 2018
Four checks: observe grain uniformity and micro cracks, measure dimensions, listen to the sound when tapped, and a drop test. "The stone with good quality, uniform internal density and no micro-cracks, has a sound."
prosper-stone.com/info/granite-evaluation-method-30361866.html
May 29, 2019
Preparation before paving natural stone: read the instructions, accept natural colour variation ("it is a normal phenomenon"), keep the site clean, apply a waterproof anti seepage agent on all faces.
prosper-stone.com/info/stone-paving-requirements-and-detail-35376887.html
January 23, 2018
Step by step crystallisation care: a stone care machine with nano wool pads, 1 to 2 grams per square metre of crystal agent or hard powder, working one to two square metres at a time, replacing dirty pads.
prosper-stone.com/info/daily-maintenance-of-marble-23414263.html
Ordering, in six answers
Usually 50 square metres. Some engineered slab and granite pages say one 20 foot container, and the Pure Black page says 10 pieces or 50 square metres.
Yes, without charge. You pay the freight, which is returned when you place the order. Samples take one to three days to make.
30 percent T/T deposit and 70 percent in the period of shipment, or L/C. L/C at sight and Western Union are also listed.
Engineered slabs 7 to 20 days after deposit; marble four weeks; granite one to two weeks per 20 foot container; door trims within 15 days.
Fumigated wooden bundles and crates marked to ISPM 15, foam padding and metal straps on countertops, film or foam on each engineered slab, 18 to 27 tonnes per 20 foot container.
Yes. The company says it produces customised products from drawings or samples, has its own CAD designers, and offers OEM.
Answers assembled from the FAQ blocks on the Engineered Stone Slab, Guangxi White, Pure Black, China Red Granite, Door Trim, Our Service and Marble Countertop pages.
Hezhou
Three of the company's news posts are about its home city rather than itself: Hezhou's Wanggao Industrial Zone named a top 20 China building materials park in 2018, "the only top 20 building materials park in guangxi", with a stone to calcium carbonate chain of over 72 enterprises; the September 2018 Hezhou stone and calcium carbonate technology conference, where the city is styled "Calcium Capital"; and a January 2019 city meeting demanding an environmental clean up of stone and calcium carbonate plants.
prosper-stone.com/news, posts of 12 November 2018, 18 September 2018 and 25 January 2019.
Enquiries
Write to sales@prosper-stone.com or call +86 774 527 4466. The company's product pages promise every enquiry answered within 12 hours and any claim settled within 24.
