In the highly competitive solids control equipment market, the repeat purchase rate of existing customers is a true “hard indicator” of a brand’s strength. That 80% of Black Rhino Industrial Co., Ltd.’s customers choose to repurchase is no coincidence—it reflects long-term recognition of its products, services, and value, as well as trust built through real-world experience across countless drilling projects. Below, we break down the key reasons why customers keep coming back, from four core dimensions.
1. Proven durability over long-term operation, reducing operation and maintenance costs
The primary reason existing customers choose to repurchase is the equipment’s reliability and durability. Black Rhino solids control equipment uses high-quality materials such as 316L stainless steel and ceramic composite materials for key components, and has passed API certification and 1,000-hour load testing. Its average mean time between failures reaches 6,000–7,000 hours, far exceeding the industry average of 4,000 hours.
For example, five shale shakers purchased by an oilfield in 2019 are still operating stably today, with only three screen replacements to date, and annual maintenance costs kept below RMB 12,000. Compared with previously used equipment from other brands (with average annual maintenance costs of RMB 35,000), each unit has saved more than RMB 110,000 in operation and maintenance expenses over five years. “Higher upfront cost, lower lifetime cost” has become a shared conclusion among long-term customers.
2. Customized solutions precisely matched to operating conditions, solving real-world challenges
Drilling scenarios vary widely, and one-size-fits-all equipment often fails to meet actual needs. Black Rhino provides long-term customers with “operating-condition-matched” customization services: compact integrated equipment for confined mountainous sites; upgraded corrosion-resistant separation systems for oil-based mud applications; and additional cooling systems for high-temperature environments.
In 2021, a gas field developing deep gas wells (4,500 m depth) faced insufficient separation accuracy with its existing equipment. Black Rhino delivered a customized solution combining a high-efficiency centrifuge with a dual-stage desander, reducing mud sand content from 8% to 1.5% and ensuring drilling efficiency. When the gas field later launched new projects, it directly repurchased the same customized equipment, eliminating the time and cost of repeated testing.
3. Fast after-sales response and comprehensive service, ensuring peace of mind
In drilling projects, a single day of downtime can result in losses of tens of thousands of yuan, making after-sales support especially critical for long-term customers. Black Rhino has established a “2-hour response, 24-hour on-site” service mechanism. With 20 domestic service centers stocking commonly used spare parts, engineers from nearby locations can arrive on site within as little as four hours after a service call. For remote areas, issues are addressed through video guidance combined with expedited spare-part delivery, ensuring resolution within 48 hours.
In 2023, a sudden vibration motor failure occurred at a water well project. Black Rhino’s service team drove across provinces for eight hours to reach the site and restored operations within just three hours, preventing project delays. In addition, the company conducts proactive quarterly inspections, giving equipment a “health check” and eliminating potential issues in advance. This proactive service approach allows long-term customers to operate without worrying about unexpected equipment failures.
4. Long-term cooperation brings preferential pricing and value-added benefits, creating win-win outcomes
Black Rhino offers long-term customers a “tiered discount plus value-added services” program. The more frequently customers repurchase, the greater the discount on unit prices—up to 15%. At the same time, customers receive free equipment upgrade services, such as adding intelligent monitoring modules to existing equipment for remote fault alerts.
From 2020 to 2023, one drilling company repurchased a total of eight units. In addition to receiving a 12% unit price discount, the company also benefited from three free equipment inspections and one intelligent management system, enabling digitalized equipment operation and maintenance. This model of “long-term concessions plus value enhancement” makes customers feel they are not just buying equipment, but also gaining tangible benefits.
An 80% repeat purchase rate is a vote of confidence cast by long-term customers through their orders. From a simple equipment supplier to a long-term strategic partner, Black Rhino has always placed “solving customer problems” at the core of its mission. Looking ahead, with ongoing advancements in intelligent and energy-efficient technologies, Black Rhino will continue to deliver more value-added services, ensuring that every repurchase remains a “right choice.”
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